9x-10=2(x+9)

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Solution for 9x-10=2(x+9) equation:


Simplifying
9x + -10 = 2(x + 9)

Reorder the terms:
-10 + 9x = 2(x + 9)

Reorder the terms:
-10 + 9x = 2(9 + x)
-10 + 9x = (9 * 2 + x * 2)
-10 + 9x = (18 + 2x)

Solving
-10 + 9x = 18 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-10 + 9x + -2x = 18 + 2x + -2x

Combine like terms: 9x + -2x = 7x
-10 + 7x = 18 + 2x + -2x

Combine like terms: 2x + -2x = 0
-10 + 7x = 18 + 0
-10 + 7x = 18

Add '10' to each side of the equation.
-10 + 10 + 7x = 18 + 10

Combine like terms: -10 + 10 = 0
0 + 7x = 18 + 10
7x = 18 + 10

Combine like terms: 18 + 10 = 28
7x = 28

Divide each side by '7'.
x = 4

Simplifying
x = 4

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