3(-4x+7)=-15

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Solution for 3(-4x+7)=-15 equation:


Simplifying
3(-4x + 7) = -15

Reorder the terms:
3(7 + -4x) = -15
(7 * 3 + -4x * 3) = -15
(21 + -12x) = -15

Solving
21 + -12x = -15

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -12x = -15 + -21

Combine like terms: 21 + -21 = 0
0 + -12x = -15 + -21
-12x = -15 + -21

Combine like terms: -15 + -21 = -36
-12x = -36

Divide each side by '-12'.
x = 3

Simplifying
x = 3

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