6y+12-4y-15=-7

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Solution for 6y+12-4y-15=-7 equation:


Simplifying
6y + 12 + -4y + -15 = -7

Reorder the terms:
12 + -15 + 6y + -4y = -7

Combine like terms: 12 + -15 = -3
-3 + 6y + -4y = -7

Combine like terms: 6y + -4y = 2y
-3 + 2y = -7

Solving
-3 + 2y = -7

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + 2y = -7 + 3

Combine like terms: -3 + 3 = 0
0 + 2y = -7 + 3
2y = -7 + 3

Combine like terms: -7 + 3 = -4
2y = -4

Divide each side by '2'.
y = -2

Simplifying
y = -2

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