121-7x=10x+15

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Solution for 121-7x=10x+15 equation:


Simplifying
121 + -7x = 10x + 15

Reorder the terms:
121 + -7x = 15 + 10x

Solving
121 + -7x = 15 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
121 + -7x + -10x = 15 + 10x + -10x

Combine like terms: -7x + -10x = -17x
121 + -17x = 15 + 10x + -10x

Combine like terms: 10x + -10x = 0
121 + -17x = 15 + 0
121 + -17x = 15

Add '-121' to each side of the equation.
121 + -121 + -17x = 15 + -121

Combine like terms: 121 + -121 = 0
0 + -17x = 15 + -121
-17x = 15 + -121

Combine like terms: 15 + -121 = -106
-17x = -106

Divide each side by '-17'.
x = 6.235294118

Simplifying
x = 6.235294118

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