3(2x-20)-40=140

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Solution for 3(2x-20)-40=140 equation:


Simplifying
3(2x + -20) + -40 = 140

Reorder the terms:
3(-20 + 2x) + -40 = 140
(-20 * 3 + 2x * 3) + -40 = 140
(-60 + 6x) + -40 = 140

Reorder the terms:
-60 + -40 + 6x = 140

Combine like terms: -60 + -40 = -100
-100 + 6x = 140

Solving
-100 + 6x = 140

Solving for variable 'x'.

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

Add '100' to each side of the equation.
-100 + 100 + 6x = 140 + 100

Combine like terms: -100 + 100 = 0
0 + 6x = 140 + 100
6x = 140 + 100

Combine like terms: 140 + 100 = 240
6x = 240

Divide each side by '6'.
x = 40

Simplifying
x = 40

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