21=(1.5)x+4.5

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Solution for 21=(1.5)x+4.5 equation:


Simplifying
21 = (1.5) * x + 4.5

Reorder the terms:
21 = 4.5 + 1.5x

Solving
21 = 4.5 + 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.
21 + -1.5x = 4.5 + 1.5x + -1.5x

Combine like terms: 1.5x + -1.5x = 0.0
21 + -1.5x = 4.5 + 0.0
21 + -1.5x = 4.5

Add '-21' to each side of the equation.
21 + -21 + -1.5x = 4.5 + -21

Combine like terms: 21 + -21 = 0
0 + -1.5x = 4.5 + -21
-1.5x = 4.5 + -21

Combine like terms: 4.5 + -21 = -16.5
-1.5x = -16.5

Divide each side by '-1.5'.
x = 11

Simplifying
x = 11

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