10x+100=9x+99

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Solution for 10x+100=9x+99 equation:


Simplifying
10x + 100 = 9x + 99

Reorder the terms:
100 + 10x = 9x + 99

Reorder the terms:
100 + 10x = 99 + 9x

Solving
100 + 10x = 99 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
100 + 10x + -9x = 99 + 9x + -9x

Combine like terms: 10x + -9x = 1x
100 + 1x = 99 + 9x + -9x

Combine like terms: 9x + -9x = 0
100 + 1x = 99 + 0
100 + 1x = 99

Add '-100' to each side of the equation.
100 + -100 + 1x = 99 + -100

Combine like terms: 100 + -100 = 0
0 + 1x = 99 + -100
1x = 99 + -100

Combine like terms: 99 + -100 = -1
1x = -1

Divide each side by '1'.
x = -1

Simplifying
x = -1

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