9+9-10+x=20+5-15

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Solution for 9+9-10+x=20+5-15 equation: 


Simplifying
9 + 9 + -10 + x = 20 + 5 + -15

Combine like terms: 9 + 9 = 18
18 + -10 + x = 20 + 5 + -15

Combine like terms: 18 + -10 = 8
8 + x = 20 + 5 + -15

Combine like terms: 20 + 5 = 25
8 + x = 25 + -15

Combine like terms: 25 + -15 = 10
8 + x = 10

Solving
8 + x = 10

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + x = 10 + -8

Combine like terms: 8 + -8 = 0
0 + x = 10 + -8
x = 10 + -8

Combine like terms: 10 + -8 = 2
x = 2

Simplifying
x = 2

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