15y-13=7y-7

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Solution for 15y-13=7y-7 equation:


Simplifying
15y + -13 = 7y + -7

Reorder the terms:
-13 + 15y = 7y + -7

Reorder the terms:
-13 + 15y = -7 + 7y

Solving
-13 + 15y = -7 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
-13 + 15y + -7y = -7 + 7y + -7y

Combine like terms: 15y + -7y = 8y
-13 + 8y = -7 + 7y + -7y

Combine like terms: 7y + -7y = 0
-13 + 8y = -7 + 0
-13 + 8y = -7

Add '13' to each side of the equation.
-13 + 13 + 8y = -7 + 13

Combine like terms: -13 + 13 = 0
0 + 8y = -7 + 13
8y = -7 + 13

Combine like terms: -7 + 13 = 6
8y = 6

Divide each side by '8'.
y = 0.75

Simplifying
y = 0.75

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