7(1-x)=9(1+2x)+4

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Solution for 7(1-x)=9(1+2x)+4 equation:


Simplifying
7(1 + -1x) = 9(1 + 2x) + 4
(1 * 7 + -1x * 7) = 9(1 + 2x) + 4
(7 + -7x) = 9(1 + 2x) + 4
7 + -7x = (1 * 9 + 2x * 9) + 4
7 + -7x = (9 + 18x) + 4

Reorder the terms:
7 + -7x = 9 + 4 + 18x

Combine like terms: 9 + 4 = 13
7 + -7x = 13 + 18x

Solving
7 + -7x = 13 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
7 + -7x + -18x = 13 + 18x + -18x

Combine like terms: -7x + -18x = -25x
7 + -25x = 13 + 18x + -18x

Combine like terms: 18x + -18x = 0
7 + -25x = 13 + 0
7 + -25x = 13

Add '-7' to each side of the equation.
7 + -7 + -25x = 13 + -7

Combine like terms: 7 + -7 = 0
0 + -25x = 13 + -7
-25x = 13 + -7

Combine like terms: 13 + -7 = 6
-25x = 6

Divide each side by '-25'.
x = -0.24

Simplifying
x = -0.24

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