7y-12=36-15-12

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Solution for 7y-12=36-15-12 equation:


Simplifying
7y + -12 = 36 + -15 + -12

Reorder the terms:
-12 + 7y = 36 + -15 + -12

Combine like terms: 36 + -15 = 21
-12 + 7y = 21 + -12

Combine like terms: 21 + -12 = 9
-12 + 7y = 9

Solving
-12 + 7y = 9

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 7y = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 7y = 9 + 12
7y = 9 + 12

Combine like terms: 9 + 12 = 21
7y = 21

Divide each side by '7'.
y = 3

Simplifying
y = 3

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