7(1-x)=4x+40

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Solution for 7(1-x)=4x+40 equation:


Simplifying
7(1 + -1x) = 4x + 40
(1 * 7 + -1x * 7) = 4x + 40
(7 + -7x) = 4x + 40

Reorder the terms:
7 + -7x = 40 + 4x

Solving
7 + -7x = 40 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
7 + -7x + -4x = 40 + 4x + -4x

Combine like terms: -7x + -4x = -11x
7 + -11x = 40 + 4x + -4x

Combine like terms: 4x + -4x = 0
7 + -11x = 40 + 0
7 + -11x = 40

Add '-7' to each side of the equation.
7 + -7 + -11x = 40 + -7

Combine like terms: 7 + -7 = 0
0 + -11x = 40 + -7
-11x = 40 + -7

Combine like terms: 40 + -7 = 33
-11x = 33

Divide each side by '-11'.
x = -3

Simplifying
x = -3

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