3x-9=5(1.5+x)

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Solution for 3x-9=5(1.5+x) equation:


Simplifying
3x + -9 = 5(1.5 + x)

Reorder the terms:
-9 + 3x = 5(1.5 + x)
-9 + 3x = (1.5 * 5 + x * 5)
-9 + 3x = (7.5 + 5x)

Solving
-9 + 3x = 7.5 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-9 + 3x + -5x = 7.5 + 5x + -5x

Combine like terms: 3x + -5x = -2x
-9 + -2x = 7.5 + 5x + -5x

Combine like terms: 5x + -5x = 0
-9 + -2x = 7.5 + 0
-9 + -2x = 7.5

Add '9' to each side of the equation.
-9 + 9 + -2x = 7.5 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = 7.5 + 9
-2x = 7.5 + 9

Combine like terms: 7.5 + 9 = 16.5
-2x = 16.5

Divide each side by '-2'.
x = -8.25

Simplifying
x = -8.25

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