7(x-2x)=40

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Solution for 7(x-2x)=40 equation: 


Simplifying
7(x + -2x) = 40

Combine like terms: x + -2x = -1x
7(-1x) = 40

Remove parenthesis around (-1x)
7 * -1x = 40

Multiply 7 * -1
-7x = 40

Solving
-7x = 40

Solving for variable 'x'.

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

Divide each side by '-7'.
x = -5.714285714

Simplifying
x = -5.714285714

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