3(x-20)-1.5=15

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Solution for 3(x-20)-1.5=15 equation: 


Simplifying
3(x + -20) + -1.5 = 15

Reorder the terms:
3(-20 + x) + -1.5 = 15
(-20 * 3 + x * 3) + -1.5 = 15
(-60 + 3x) + -1.5 = 15

Reorder the terms:
-60 + -1.5 + 3x = 15

Combine like terms: -60 + -1.5 = -61.5
-61.5 + 3x = 15

Solving
-61.5 + 3x = 15

Solving for variable 'x'.

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

Add '61.5' to each side of the equation.
-61.5 + 61.5 + 3x = 15 + 61.5

Combine like terms: -61.5 + 61.5 = 0.0
0.0 + 3x = 15 + 61.5
3x = 15 + 61.5

Combine like terms: 15 + 61.5 = 76.5
3x = 76.5

Divide each side by '3'.
x = 25.5

Simplifying
x = 25.5

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