42x+9=20x-4

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Solution for 42x+9=20x-4 equation:


Simplifying
42x + 9 = 20x + -4

Reorder the terms:
9 + 42x = 20x + -4

Reorder the terms:
9 + 42x = -4 + 20x

Solving
9 + 42x = -4 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
9 + 42x + -20x = -4 + 20x + -20x

Combine like terms: 42x + -20x = 22x
9 + 22x = -4 + 20x + -20x

Combine like terms: 20x + -20x = 0
9 + 22x = -4 + 0
9 + 22x = -4

Add '-9' to each side of the equation.
9 + -9 + 22x = -4 + -9

Combine like terms: 9 + -9 = 0
0 + 22x = -4 + -9
22x = -4 + -9

Combine like terms: -4 + -9 = -13
22x = -13

Divide each side by '22'.
x = -0.5909090909

Simplifying
x = -0.5909090909

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