15y+13(5y-7)=709

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Solution for 15y+13(5y-7)=709 equation:


Simplifying
15y + 13(5y + -7) = 709

Reorder the terms:
15y + 13(-7 + 5y) = 709
15y + (-7 * 13 + 5y * 13) = 709
15y + (-91 + 65y) = 709

Reorder the terms:
-91 + 15y + 65y = 709

Combine like terms: 15y + 65y = 80y
-91 + 80y = 709

Solving
-91 + 80y = 709

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '91' to each side of the equation.
-91 + 91 + 80y = 709 + 91

Combine like terms: -91 + 91 = 0
0 + 80y = 709 + 91
80y = 709 + 91

Combine like terms: 709 + 91 = 800
80y = 800

Divide each side by '80'.
y = 10

Simplifying
y = 10

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