(3x-1)-2.5(x+2)=

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Solution for (3x-1)-2.5(x+2)= equation:


Simplifying
(3x + -1) + -2.5(x + 2) = 0

Reorder the terms:
(-1 + 3x) + -2.5(x + 2) = 0

Remove parenthesis around (-1 + 3x)
-1 + 3x + -2.5(x + 2) = 0

Reorder the terms:
-1 + 3x + -2.5(2 + x) = 0
-1 + 3x + (2 * -2.5 + x * -2.5) = 0
-1 + 3x + (-5 + -2.5x) = 0

Reorder the terms:
-1 + -5 + 3x + -2.5x = 0

Combine like terms: -1 + -5 = -6
-6 + 3x + -2.5x = 0

Combine like terms: 3x + -2.5x = 0.5x
-6 + 0.5x = 0

Solving
-6 + 0.5x = 0

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 0.5x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 0.5x = 0 + 6
0.5x = 0 + 6

Combine like terms: 0 + 6 = 6
0.5x = 6

Divide each side by '0.5'.
x = 12

Simplifying
x = 12

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