09x-18=1.5x-21

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Solution for 09x-18=1.5x-21 equation:


Simplifying
9x + -18 = 1.5x + -21

Reorder the terms:
-18 + 9x = 1.5x + -21

Reorder the terms:
-18 + 9x = -21 + 1.5x

Solving
-18 + 9x = -21 + 1.5x

Solving for variable 'x'.

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

Add '-1.5x' to each side of the equation.
-18 + 9x + -1.5x = -21 + 1.5x + -1.5x

Combine like terms: 9x + -1.5x = 7.5x
-18 + 7.5x = -21 + 1.5x + -1.5x

Combine like terms: 1.5x + -1.5x = 0.0
-18 + 7.5x = -21 + 0.0
-18 + 7.5x = -21

Add '18' to each side of the equation.
-18 + 18 + 7.5x = -21 + 18

Combine like terms: -18 + 18 = 0
0 + 7.5x = -21 + 18
7.5x = -21 + 18

Combine like terms: -21 + 18 = -3
7.5x = -3

Divide each side by '7.5'.
x = -0.4

Simplifying
x = -0.4

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