140+7x-2=30x

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Solution for 140+7x-2=30x equation:


Simplifying
140 + 7x + -2 = 30x

Reorder the terms:
140 + -2 + 7x = 30x

Combine like terms: 140 + -2 = 138
138 + 7x = 30x

Solving
138 + 7x = 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
138 + 7x + -30x = 30x + -30x

Combine like terms: 7x + -30x = -23x
138 + -23x = 30x + -30x

Combine like terms: 30x + -30x = 0
138 + -23x = 0

Add '-138' to each side of the equation.
138 + -138 + -23x = 0 + -138

Combine like terms: 138 + -138 = 0
0 + -23x = 0 + -138
-23x = 0 + -138

Combine like terms: 0 + -138 = -138
-23x = -138

Divide each side by '-23'.
x = 6

Simplifying
x = 6

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