4x+3x-140=56

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Solution for 4x+3x-140=56 equation: 


Simplifying
4x + 3x + -140 = 56

Reorder the terms:
-140 + 4x + 3x = 56

Combine like terms: 4x + 3x = 7x
-140 + 7x = 56

Solving
-140 + 7x = 56

Solving for variable 'x'.

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

Add '140' to each side of the equation.
-140 + 140 + 7x = 56 + 140

Combine like terms: -140 + 140 = 0
0 + 7x = 56 + 140
7x = 56 + 140

Combine like terms: 56 + 140 = 196
7x = 196

Divide each side by '7'.
x = 28

Simplifying
x = 28

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