15y-4=13y+7

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Solution for 15y-4=13y+7 equation:


Simplifying
15y + -4 = 13y + 7

Reorder the terms:
-4 + 15y = 13y + 7

Reorder the terms:
-4 + 15y = 7 + 13y

Solving
-4 + 15y = 7 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
-4 + 15y + -13y = 7 + 13y + -13y

Combine like terms: 15y + -13y = 2y
-4 + 2y = 7 + 13y + -13y

Combine like terms: 13y + -13y = 0
-4 + 2y = 7 + 0
-4 + 2y = 7

Add '4' to each side of the equation.
-4 + 4 + 2y = 7 + 4

Combine like terms: -4 + 4 = 0
0 + 2y = 7 + 4
2y = 7 + 4

Combine like terms: 7 + 4 = 11
2y = 11

Divide each side by '2'.
y = 5.5

Simplifying
y = 5.5

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