4y-7y+7=-9y+77-4y

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Solution for 4y-7y+7=-9y+77-4y equation:


Simplifying
4y + -7y + 7 = -9y + 77 + -4y

Reorder the terms:
7 + 4y + -7y = -9y + 77 + -4y

Combine like terms: 4y + -7y = -3y
7 + -3y = -9y + 77 + -4y

Reorder the terms:
7 + -3y = 77 + -9y + -4y

Combine like terms: -9y + -4y = -13y
7 + -3y = 77 + -13y

Solving
7 + -3y = 77 + -13y

Solving for variable 'y'.

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

Add '13y' to each side of the equation.
7 + -3y + 13y = 77 + -13y + 13y

Combine like terms: -3y + 13y = 10y
7 + 10y = 77 + -13y + 13y

Combine like terms: -13y + 13y = 0
7 + 10y = 77 + 0
7 + 10y = 77

Add '-7' to each side of the equation.
7 + -7 + 10y = 77 + -7

Combine like terms: 7 + -7 = 0
0 + 10y = 77 + -7
10y = 77 + -7

Combine like terms: 77 + -7 = 70
10y = 70

Divide each side by '10'.
y = 7

Simplifying
y = 7

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