12-7x=57-42x

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Solution for 12-7x=57-42x equation:


Simplifying
12 + -7x = 57 + -42x

Solving
12 + -7x = 57 + -42x

Solving for variable 'x'.

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

Add '42x' to each side of the equation.
12 + -7x + 42x = 57 + -42x + 42x

Combine like terms: -7x + 42x = 35x
12 + 35x = 57 + -42x + 42x

Combine like terms: -42x + 42x = 0
12 + 35x = 57 + 0
12 + 35x = 57

Add '-12' to each side of the equation.
12 + -12 + 35x = 57 + -12

Combine like terms: 12 + -12 = 0
0 + 35x = 57 + -12
35x = 57 + -12

Combine like terms: 57 + -12 = 45
35x = 45

Divide each side by '35'.
x = 1.285714286

Simplifying
x = 1.285714286

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