-7=9(9x+9)-(8x-1)

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Solution for -7=9(9x+9)-(8x-1) equation:


Simplifying
-7 = 9(9x + 9) + -1(8x + -1)

Reorder the terms:
-7 = 9(9 + 9x) + -1(8x + -1)
-7 = (9 * 9 + 9x * 9) + -1(8x + -1)
-7 = (81 + 81x) + -1(8x + -1)

Reorder the terms:
-7 = 81 + 81x + -1(-1 + 8x)
-7 = 81 + 81x + (-1 * -1 + 8x * -1)
-7 = 81 + 81x + (1 + -8x)

Reorder the terms:
-7 = 81 + 1 + 81x + -8x

Combine like terms: 81 + 1 = 82
-7 = 82 + 81x + -8x

Combine like terms: 81x + -8x = 73x
-7 = 82 + 73x

Solving
-7 = 82 + 73x

Solving for variable 'x'.

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

Add '-73x' to each side of the equation.
-7 + -73x = 82 + 73x + -73x

Combine like terms: 73x + -73x = 0
-7 + -73x = 82 + 0
-7 + -73x = 82

Add '7' to each side of the equation.
-7 + 7 + -73x = 82 + 7

Combine like terms: -7 + 7 = 0
0 + -73x = 82 + 7
-73x = 82 + 7

Combine like terms: 82 + 7 = 89
-73x = 89

Divide each side by '-73'.
x = -1.219178082

Simplifying
x = -1.219178082

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