7y-4=12y-15

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Solution for 7y-4=12y-15 equation:


Simplifying
7y + -4 = 12y + -15

Reorder the terms:
-4 + 7y = 12y + -15

Reorder the terms:
-4 + 7y = -15 + 12y

Solving
-4 + 7y = -15 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
-4 + 7y + -12y = -15 + 12y + -12y

Combine like terms: 7y + -12y = -5y
-4 + -5y = -15 + 12y + -12y

Combine like terms: 12y + -12y = 0
-4 + -5y = -15 + 0
-4 + -5y = -15

Add '4' to each side of the equation.
-4 + 4 + -5y = -15 + 4

Combine like terms: -4 + 4 = 0
0 + -5y = -15 + 4
-5y = -15 + 4

Combine like terms: -15 + 4 = -11
-5y = -11

Divide each side by '-5'.
y = 2.2

Simplifying
y = 2.2

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