180=3x+4x+40

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Solution for 180=3x+4x+40 equation:


Simplifying
180 = 3x + 4x + 40

Reorder the terms:
180 = 40 + 3x + 4x

Combine like terms: 3x + 4x = 7x
180 = 40 + 7x

Solving
180 = 40 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
180 + -7x = 40 + 7x + -7x

Combine like terms: 7x + -7x = 0
180 + -7x = 40 + 0
180 + -7x = 40

Add '-180' to each side of the equation.
180 + -180 + -7x = 40 + -180

Combine like terms: 180 + -180 = 0
0 + -7x = 40 + -180
-7x = 40 + -180

Combine like terms: 40 + -180 = -140
-7x = -140

Divide each side by '-7'.
x = 20

Simplifying
x = 20

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