Solve, using the substitution method.
1 answer:
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In order to factor, we must pull out factors common to each term. In this case, each term has factors of 2 and y:
4ay = 2 * 2 * a * y
2y = 2 * y
So, we'll pull out the 2y:
To check, distribute the 2y back through the terms in parentheses to ensure you end up with the original expression 4ay - 2y.
4ay = 2 * 2 * a * y
2y = 2 * y
So, we'll pull out the 2y:
To check, distribute the 2y back through the terms in parentheses to ensure you end up with the original expression 4ay - 2y.