10y+9-2y=4y+3y+12

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Solution for 10y+9-2y=4y+3y+12 equation:


Simplifying
10y + 9 + -2y = 4y + 3y + 12

Reorder the terms:
9 + 10y + -2y = 4y + 3y + 12

Combine like terms: 10y + -2y = 8y
9 + 8y = 4y + 3y + 12

Reorder the terms:
9 + 8y = 12 + 4y + 3y

Combine like terms: 4y + 3y = 7y
9 + 8y = 12 + 7y

Solving
9 + 8y = 12 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
9 + 8y + -7y = 12 + 7y + -7y

Combine like terms: 8y + -7y = 1y
9 + 1y = 12 + 7y + -7y

Combine like terms: 7y + -7y = 0
9 + 1y = 12 + 0
9 + 1y = 12

Add '-9' to each side of the equation.
9 + -9 + 1y = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 1y = 12 + -9
1y = 12 + -9

Combine like terms: 12 + -9 = 3
1y = 3

Divide each side by '1'.
y = 3

Simplifying
y = 3

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