1x-13=7(13x+12)

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Solution for 1x-13=7(13x+12) equation:


Simplifying
1x + -13 = 7(13x + 12)

Reorder the terms:
-13 + 1x = 7(13x + 12)

Reorder the terms:
-13 + 1x = 7(12 + 13x)
-13 + 1x = (12 * 7 + 13x * 7)
-13 + 1x = (84 + 91x)

Solving
-13 + 1x = 84 + 91x

Solving for variable 'x'.

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

Add '-91x' to each side of the equation.
-13 + 1x + -91x = 84 + 91x + -91x

Combine like terms: 1x + -91x = -90x
-13 + -90x = 84 + 91x + -91x

Combine like terms: 91x + -91x = 0
-13 + -90x = 84 + 0
-13 + -90x = 84

Add '13' to each side of the equation.
-13 + 13 + -90x = 84 + 13

Combine like terms: -13 + 13 = 0
0 + -90x = 84 + 13
-90x = 84 + 13

Combine like terms: 84 + 13 = 97
-90x = 97

Divide each side by '-90'.
x = -1.077777778

Simplifying
x = -1.077777778

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