3x+18=-2+11x-21

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Solution for 3x+18=-2+11x-21 equation:


Simplifying
3x + 18 = -2 + 11x + -21

Reorder the terms:
18 + 3x = -2 + 11x + -21

Reorder the terms:
18 + 3x = -2 + -21 + 11x

Combine like terms: -2 + -21 = -23
18 + 3x = -23 + 11x

Solving
18 + 3x = -23 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
18 + 3x + -11x = -23 + 11x + -11x

Combine like terms: 3x + -11x = -8x
18 + -8x = -23 + 11x + -11x

Combine like terms: 11x + -11x = 0
18 + -8x = -23 + 0
18 + -8x = -23

Add '-18' to each side of the equation.
18 + -18 + -8x = -23 + -18

Combine like terms: 18 + -18 = 0
0 + -8x = -23 + -18
-8x = -23 + -18

Combine like terms: -23 + -18 = -41
-8x = -41

Divide each side by '-8'.
x = 5.125

Simplifying
x = 5.125

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