40x+18+-20x+3+15x+9=

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Solution for 40x+18+-20x+3+15x+9= equation:


Simplifying
40x + 18 + -20x + 3 + 15x + 9 = 0

Reorder the terms:
18 + 3 + 9 + 40x + -20x + 15x = 0

Combine like terms: 18 + 3 = 21
21 + 9 + 40x + -20x + 15x = 0

Combine like terms: 21 + 9 = 30
30 + 40x + -20x + 15x = 0

Combine like terms: 40x + -20x = 20x
30 + 20x + 15x = 0

Combine like terms: 20x + 15x = 35x
30 + 35x = 0

Solving
30 + 35x = 0

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 35x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 35x = 0 + -30
35x = 0 + -30

Combine like terms: 0 + -30 = -30
35x = -30

Divide each side by '35'.
x = -0.8571428571

Simplifying
x = -0.8571428571

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