7x+2+3x+9=4x+12+3x+8

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Solution for 7x+2+3x+9=4x+12+3x+8 equation: 


Simplifying
7x + 2 + 3x + 9 = 4x + 12 + 3x + 8

Reorder the terms:
2 + 9 + 7x + 3x = 4x + 12 + 3x + 8

Combine like terms: 2 + 9 = 11
11 + 7x + 3x = 4x + 12 + 3x + 8

Combine like terms: 7x + 3x = 10x
11 + 10x = 4x + 12 + 3x + 8

Reorder the terms:
11 + 10x = 12 + 8 + 4x + 3x

Combine like terms: 12 + 8 = 20
11 + 10x = 20 + 4x + 3x

Combine like terms: 4x + 3x = 7x
11 + 10x = 20 + 7x

Solving
11 + 10x = 20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
11 + 10x + -7x = 20 + 7x + -7x

Combine like terms: 10x + -7x = 3x
11 + 3x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
11 + 3x = 20 + 0
11 + 3x = 20

Add '-11' to each side of the equation.
11 + -11 + 3x = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = 20 + -11
3x = 20 + -11

Combine like terms: 20 + -11 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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