7(1-2x)+4=81

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Solution for 7(1-2x)+4=81 equation:


Simplifying
7(1 + -2x) + 4 = 81
(1 * 7 + -2x * 7) + 4 = 81
(7 + -14x) + 4 = 81

Reorder the terms:
7 + 4 + -14x = 81

Combine like terms: 7 + 4 = 11
11 + -14x = 81

Solving
11 + -14x = 81

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -14x = 81 + -11

Combine like terms: 11 + -11 = 0
0 + -14x = 81 + -11
-14x = 81 + -11

Combine like terms: 81 + -11 = 70
-14x = 70

Divide each side by '-14'.
x = -5

Simplifying
x = -5

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