42x-9=35x-12

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Solution for 42x-9=35x-12 equation:


Simplifying
42x + -9 = 35x + -12

Reorder the terms:
-9 + 42x = 35x + -12

Reorder the terms:
-9 + 42x = -12 + 35x

Solving
-9 + 42x = -12 + 35x

Solving for variable 'x'.

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

Add '-35x' to each side of the equation.
-9 + 42x + -35x = -12 + 35x + -35x

Combine like terms: 42x + -35x = 7x
-9 + 7x = -12 + 35x + -35x

Combine like terms: 35x + -35x = 0
-9 + 7x = -12 + 0
-9 + 7x = -12

Add '9' to each side of the equation.
-9 + 9 + 7x = -12 + 9

Combine like terms: -9 + 9 = 0
0 + 7x = -12 + 9
7x = -12 + 9

Combine like terms: -12 + 9 = -3
7x = -3

Divide each side by '7'.
x = -0.4285714286

Simplifying
x = -0.4285714286

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