15x-4+9x+3+12x+5=40

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Solution for 15x-4+9x+3+12x+5=40 equation: 


Simplifying
15x + -4 + 9x + 3 + 12x + 5 = 40

Reorder the terms:
-4 + 3 + 5 + 15x + 9x + 12x = 40

Combine like terms: -4 + 3 = -1
-1 + 5 + 15x + 9x + 12x = 40

Combine like terms: -1 + 5 = 4
4 + 15x + 9x + 12x = 40

Combine like terms: 15x + 9x = 24x
4 + 24x + 12x = 40

Combine like terms: 24x + 12x = 36x
4 + 36x = 40

Solving
4 + 36x = 40

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 36x = 40 + -4

Combine like terms: 4 + -4 = 0
0 + 36x = 40 + -4
36x = 40 + -4

Combine like terms: 40 + -4 = 36
36x = 36

Divide each side by '36'.
x = 1

Simplifying
x = 1

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