2x-9+87-9x*9+1=100

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Solution for 2x-9+87-9x*9+1=100 equation:


Simplifying
2x + -9 + 87 + -9x * 9 + 1 = 100

Reorder the terms for easier multiplication:
2x + -9 + 87 + -9 * 9x + 1 = 100

Multiply -9 * 9
2x + -9 + 87 + -81x + 1 = 100

Reorder the terms:
-9 + 87 + 1 + 2x + -81x = 100

Combine like terms: -9 + 87 = 78
78 + 1 + 2x + -81x = 100

Combine like terms: 78 + 1 = 79
79 + 2x + -81x = 100

Combine like terms: 2x + -81x = -79x
79 + -79x = 100

Solving
79 + -79x = 100

Solving for variable 'x'.

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

Add '-79' to each side of the equation.
79 + -79 + -79x = 100 + -79

Combine like terms: 79 + -79 = 0
0 + -79x = 100 + -79
-79x = 100 + -79

Combine like terms: 100 + -79 = 21
-79x = 21

Divide each side by '-79'.
x = -0.2658227848

Simplifying
x = -0.2658227848

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