7y+7=9y+3y

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Solution for 7y+7=9y+3y equation:


Simplifying
7y + 7 = 9y + 3y

Reorder the terms:
7 + 7y = 9y + 3y

Combine like terms: 9y + 3y = 12y
7 + 7y = 12y

Solving
7 + 7y = 12y

Solving for variable 'y'.

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

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

Combine like terms: 7y + -12y = -5y
7 + -5y = 12y + -12y

Combine like terms: 12y + -12y = 0
7 + -5y = 0

Add '-7' to each side of the equation.
7 + -7 + -5y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -5y = 0 + -7
-5y = 0 + -7

Combine like terms: 0 + -7 = -7
-5y = -7

Divide each side by '-5'.
y = 1.4

Simplifying
y = 1.4

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