2-9y+7=y-4+3y

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Solution for 2-9y+7=y-4+3y equation:


Simplifying
2 + -9y + 7 = y + -4 + 3y

Reorder the terms:
2 + 7 + -9y = y + -4 + 3y

Combine like terms: 2 + 7 = 9
9 + -9y = y + -4 + 3y

Reorder the terms:
9 + -9y = -4 + y + 3y

Combine like terms: y + 3y = 4y
9 + -9y = -4 + 4y

Solving
9 + -9y = -4 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
9 + -9y + -4y = -4 + 4y + -4y

Combine like terms: -9y + -4y = -13y
9 + -13y = -4 + 4y + -4y

Combine like terms: 4y + -4y = 0
9 + -13y = -4 + 0
9 + -13y = -4

Add '-9' to each side of the equation.
9 + -9 + -13y = -4 + -9

Combine like terms: 9 + -9 = 0
0 + -13y = -4 + -9
-13y = -4 + -9

Combine like terms: -4 + -9 = -13
-13y = -13

Divide each side by '-13'.
y = 1

Simplifying
y = 1

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