-4x+3(2.5x-19)=-15

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Solution for -4x+3(2.5x-19)=-15 equation:


Simplifying
-4x + 3(2.5x + -19) = -15

Reorder the terms:
-4x + 3(-19 + 2.5x) = -15
-4x + (-19 * 3 + 2.5x * 3) = -15
-4x + (-57 + 7.5x) = -15

Reorder the terms:
-57 + -4x + 7.5x = -15

Combine like terms: -4x + 7.5x = 3.5x
-57 + 3.5x = -15

Solving
-57 + 3.5x = -15

Solving for variable 'x'.

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

Add '57' to each side of the equation.
-57 + 57 + 3.5x = -15 + 57

Combine like terms: -57 + 57 = 0
0 + 3.5x = -15 + 57
3.5x = -15 + 57

Combine like terms: -15 + 57 = 42
3.5x = 42

Divide each side by '3.5'.
x = 12

Simplifying
x = 12

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