40-2x=180-42x

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Solution for 40-2x=180-42x equation:


Simplifying
40 + -2x = 180 + -42x

Solving
40 + -2x = 180 + -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.
40 + -2x + 42x = 180 + -42x + 42x

Combine like terms: -2x + 42x = 40x
40 + 40x = 180 + -42x + 42x

Combine like terms: -42x + 42x = 0
40 + 40x = 180 + 0
40 + 40x = 180

Add '-40' to each side of the equation.
40 + -40 + 40x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + 40x = 180 + -40
40x = 180 + -40

Combine like terms: 180 + -40 = 140
40x = 140

Divide each side by '40'.
x = 3.5

Simplifying
x = 3.5

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