-3y+15y+7=8y+4-3

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Solution for -3y+15y+7=8y+4-3 equation:


Simplifying
-3y + 15y + 7 = 8y + 4 + -3

Reorder the terms:
7 + -3y + 15y = 8y + 4 + -3

Combine like terms: -3y + 15y = 12y
7 + 12y = 8y + 4 + -3

Reorder the terms:
7 + 12y = 4 + -3 + 8y

Combine like terms: 4 + -3 = 1
7 + 12y = 1 + 8y

Solving
7 + 12y = 1 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
7 + 12y + -8y = 1 + 8y + -8y

Combine like terms: 12y + -8y = 4y
7 + 4y = 1 + 8y + -8y

Combine like terms: 8y + -8y = 0
7 + 4y = 1 + 0
7 + 4y = 1

Add '-7' to each side of the equation.
7 + -7 + 4y = 1 + -7

Combine like terms: 7 + -7 = 0
0 + 4y = 1 + -7
4y = 1 + -7

Combine like terms: 1 + -7 = -6
4y = -6

Divide each side by '4'.
y = -1.5

Simplifying
y = -1.5

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