10+20=10-10x

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Solution for 10+20=10-10x equation:


Simplifying
10 + 20 = 10 + -10x

Combine like terms: 10 + 20 = 30
30 = 10 + -10x

Solving
30 = 10 + -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.
30 + 10x = 10 + -10x + 10x

Combine like terms: -10x + 10x = 0
30 + 10x = 10 + 0
30 + 10x = 10

Add '-30' to each side of the equation.
30 + -30 + 10x = 10 + -30

Combine like terms: 30 + -30 = 0
0 + 10x = 10 + -30
10x = 10 + -30

Combine like terms: 10 + -30 = -20
10x = -20

Divide each side by '10'.
x = -2

Simplifying
x = -2

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