2y-18+y+3=y-7

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Solution for 2y-18+y+3=y-7 equation:


Simplifying
2y + -18 + y + 3 = y + -7

Reorder the terms:
-18 + 3 + 2y + y = y + -7

Combine like terms: -18 + 3 = -15
-15 + 2y + y = y + -7

Combine like terms: 2y + y = 3y
-15 + 3y = y + -7

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

Solving
-15 + 3y = -7 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-15 + 3y + -1y = -7 + y + -1y

Combine like terms: 3y + -1y = 2y
-15 + 2y = -7 + y + -1y

Combine like terms: y + -1y = 0
-15 + 2y = -7 + 0
-15 + 2y = -7

Add '15' to each side of the equation.
-15 + 15 + 2y = -7 + 15

Combine like terms: -15 + 15 = 0
0 + 2y = -7 + 15
2y = -7 + 15

Combine like terms: -7 + 15 = 8
2y = 8

Divide each side by '2'.
y = 4

Simplifying
y = 4

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