9[1-(-7x-8)]=315x+369

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Solution for 9[1-(-7x-8)]=315x+369 equation:


Simplifying
9[1 + -1(-7x + -8)] = 315x + 369

Reorder the terms:
9[1 + -1(-8 + -7x)] = 315x + 369
9[1 + (-8 * -1 + -7x * -1)] = 315x + 369
9[1 + (8 + 7x)] = 315x + 369

Combine like terms: 1 + 8 = 9
9[9 + 7x] = 315x + 369
[9 * 9 + 7x * 9] = 315x + 369
[81 + 63x] = 315x + 369

Reorder the terms:
81 + 63x = 369 + 315x

Solving
81 + 63x = 369 + 315x

Solving for variable 'x'.

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

Add '-315x' to each side of the equation.
81 + 63x + -315x = 369 + 315x + -315x

Combine like terms: 63x + -315x = -252x
81 + -252x = 369 + 315x + -315x

Combine like terms: 315x + -315x = 0
81 + -252x = 369 + 0
81 + -252x = 369

Add '-81' to each side of the equation.
81 + -81 + -252x = 369 + -81

Combine like terms: 81 + -81 = 0
0 + -252x = 369 + -81
-252x = 369 + -81

Combine like terms: 369 + -81 = 288
-252x = 288

Divide each side by '-252'.
x = -1.142857143

Simplifying
x = -1.142857143

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