3x-2x+7-12+42x=0

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Solution for 3x-2x+7-12+42x=0 equation:


Simplifying
3x + -2x + 7 + -12 + 42x = 0

Reorder the terms:
7 + -12 + 3x + -2x + 42x = 0

Combine like terms: 7 + -12 = -5
-5 + 3x + -2x + 42x = 0

Combine like terms: 3x + -2x = 1x
-5 + 1x + 42x = 0

Combine like terms: 1x + 42x = 43x
-5 + 43x = 0

Solving
-5 + 43x = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 43x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 43x = 0 + 5
43x = 0 + 5

Combine like terms: 0 + 5 = 5
43x = 5

Divide each side by '43'.
x = 0.1162790698

Simplifying
x = 0.1162790698

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