7x+30-30x=40

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Solution for 7x+30-30x=40 equation:


Simplifying
7x + 30 + -30x = 40

Reorder the terms:
30 + 7x + -30x = 40

Combine like terms: 7x + -30x = -23x
30 + -23x = 40

Solving
30 + -23x = 40

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -23x = 40 + -30

Combine like terms: 30 + -30 = 0
0 + -23x = 40 + -30
-23x = 40 + -30

Combine like terms: 40 + -30 = 10
-23x = 10

Divide each side by '-23'.
x = -0.4347826087

Simplifying
x = -0.4347826087

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