140=5x+2x

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Solution for 140=5x+2x equation:


Simplifying
140 = 5x + 2x

Combine like terms: 5x + 2x = 7x
140 = 7x

Solving
140 = 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.
140 + -7x = 7x + -7x

Combine like terms: 7x + -7x = 0
140 + -7x = 0

Add '-140' to each side of the equation.
140 + -140 + -7x = 0 + -140

Combine like terms: 140 + -140 = 0
0 + -7x = 0 + -140
-7x = 0 + -140

Combine like terms: 0 + -140 = -140
-7x = -140

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

Simplifying
x = 20

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