4x+12=40-9x

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Solution for 4x+12=40-9x equation:


Simplifying
4x + 12 = 40 + -9x

Reorder the terms:
12 + 4x = 40 + -9x

Solving
12 + 4x = 40 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
12 + 4x + 9x = 40 + -9x + 9x

Combine like terms: 4x + 9x = 13x
12 + 13x = 40 + -9x + 9x

Combine like terms: -9x + 9x = 0
12 + 13x = 40 + 0
12 + 13x = 40

Add '-12' to each side of the equation.
12 + -12 + 13x = 40 + -12

Combine like terms: 12 + -12 = 0
0 + 13x = 40 + -12
13x = 40 + -12

Combine like terms: 40 + -12 = 28
13x = 28

Divide each side by '13'.
x = 2.153846154

Simplifying
x = 2.153846154

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