7(y-2)=-8y+31

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Solution for 7(y-2)=-8y+31 equation:


Simplifying
7(y + -2) = -8y + 31

Reorder the terms:
7(-2 + y) = -8y + 31
(-2 * 7 + y * 7) = -8y + 31
(-14 + 7y) = -8y + 31

Reorder the terms:
-14 + 7y = 31 + -8y

Solving
-14 + 7y = 31 + -8y

Solving for variable 'y'.

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

Add '8y' to each side of the equation.
-14 + 7y + 8y = 31 + -8y + 8y

Combine like terms: 7y + 8y = 15y
-14 + 15y = 31 + -8y + 8y

Combine like terms: -8y + 8y = 0
-14 + 15y = 31 + 0
-14 + 15y = 31

Add '14' to each side of the equation.
-14 + 14 + 15y = 31 + 14

Combine like terms: -14 + 14 = 0
0 + 15y = 31 + 14
15y = 31 + 14

Combine like terms: 31 + 14 = 45
15y = 45

Divide each side by '15'.
y = 3

Simplifying
y = 3

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