6x+5+3x+7=

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


Simplifying
6x + 5 + 3x + 7 = 0

Reorder the terms:
5 + 7 + 6x + 3x = 0

Combine like terms: 5 + 7 = 12
12 + 6x + 3x = 0

Combine like terms: 6x + 3x = 9x
12 + 9x = 0

Solving
12 + 9x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 9x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 0 + -12
9x = 0 + -12

Combine like terms: 0 + -12 = -12
9x = -12

Divide each side by '9'.
x = -1.333333333

Simplifying
x = -1.333333333

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