7x+3+6x+9=12x+5

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Solution for 7x+3+6x+9=12x+5 equation: 


Simplifying
7x + 3 + 6x + 9 = 12x + 5

Reorder the terms:
3 + 9 + 7x + 6x = 12x + 5

Combine like terms: 3 + 9 = 12
12 + 7x + 6x = 12x + 5

Combine like terms: 7x + 6x = 13x
12 + 13x = 12x + 5

Reorder the terms:
12 + 13x = 5 + 12x

Solving
12 + 13x = 5 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
12 + 13x + -12x = 5 + 12x + -12x

Combine like terms: 13x + -12x = 1x
12 + 1x = 5 + 12x + -12x

Combine like terms: 12x + -12x = 0
12 + 1x = 5 + 0
12 + 1x = 5

Add '-12' to each side of the equation.
12 + -12 + 1x = 5 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 5 + -12
1x = 5 + -12

Combine like terms: 5 + -12 = -7
1x = -7

Divide each side by '1'.
x = -7

Simplifying
x = -7

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