12x-10+10(x-1)=90

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Solution for 12x-10+10(x-1)=90 equation:


Simplifying
12x + -10 + 10(x + -1) = 90

Reorder the terms:
12x + -10 + 10(-1 + x) = 90
12x + -10 + (-1 * 10 + x * 10) = 90
12x + -10 + (-10 + 10x) = 90

Reorder the terms:
-10 + -10 + 12x + 10x = 90

Combine like terms: -10 + -10 = -20
-20 + 12x + 10x = 90

Combine like terms: 12x + 10x = 22x
-20 + 22x = 90

Solving
-20 + 22x = 90

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 22x = 90 + 20

Combine like terms: -20 + 20 = 0
0 + 22x = 90 + 20
22x = 90 + 20

Combine like terms: 90 + 20 = 110
22x = 110

Divide each side by '22'.
x = 5

Simplifying
x = 5

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