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Combining Equations - YouTube YouTube Start of suggested clip End of suggested clip This minus 8x minus y. And on the right i'm subtracting the same thing. But this is equal to 6. So iMoreThis minus 8x minus y. And on the right i'm subtracting the same thing. But this is equal to 6. So i'm subtracting 6 on the right. Side.

For expressions that cannot be simplified and are contained in a grouping symbol, the distributive property allows us to remove the grouping symbol using multiplication.

Solving Systems of Two Equations and Two Unknowns - YouTube YouTube Start of suggested clip End of suggested clip Gives us y equals 4 minus 2x. Now what we can do is substitute this value of y. For the Y in theMoreGives us y equals 4 minus 2x. Now what we can do is substitute this value of y. For the Y in the other equation. That means instead of Y we insert the quantity 4 minus 2x.

How to Write an Equation Read the entire problem several times. Look for keywords like more, less, is, etc. Replace the keywords with their mathematical operations and shorten the words to variables. ... Solve the resulting equation. Answer the problem clearly in a complete sentence.

Solving Systems of 3 Equations Elimination - YouTube YouTube Start of suggested clip End of suggested clip But let's go ahead and eliminate. The Z's first and we'll do that by combining the first and theMoreBut let's go ahead and eliminate. The Z's first and we'll do that by combining the first and the second equation if we add those together. We get 3x minus y the Z's are going to cancel equals.

Solve Equations-Variables both sides-Combine like terms - YouTube YouTube Start of suggested clip End of suggested clip So I have 2x on the right in order to get rid of the 2x. I need to subtract. By negative 2x. AndMoreSo I have 2x on the right in order to get rid of the 2x. I need to subtract. By negative 2x. And what I do on the right side of the equation. I need to complete on the left.

Maths Online - Equations involving grouping symbols - YouTube YouTube Start of suggested clip End of suggested clip We expand first how do we expand. We learn in algebra. 4. Times the X 4 times the positive 3 we knowMoreWe expand first how do we expand. We learn in algebra. 4. Times the X 4 times the positive 3 we know between the 4 and the bracket is a invisible multiplication sign so 4 times X.