10x+15=100-x

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Solution for 10x+15=100-x equation:


Simplifying
10x + 15 = 100 + -1x

Reorder the terms:
15 + 10x = 100 + -1x

Solving
15 + 10x = 100 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
15 + 10x + x = 100 + -1x + x

Combine like terms: 10x + x = 11x
15 + 11x = 100 + -1x + x

Combine like terms: -1x + x = 0
15 + 11x = 100 + 0
15 + 11x = 100

Add '-15' to each side of the equation.
15 + -15 + 11x = 100 + -15

Combine like terms: 15 + -15 = 0
0 + 11x = 100 + -15
11x = 100 + -15

Combine like terms: 100 + -15 = 85
11x = 85

Divide each side by '11'.
x = 7.727272727

Simplifying
x = 7.727272727

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