-39=7(x-3)-4x

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Solution for -39=7(x-3)-4x equation:


Simplifying
-39 = 7(x + -3) + -4x

Reorder the terms:
-39 = 7(-3 + x) + -4x
-39 = (-3 * 7 + x * 7) + -4x
-39 = (-21 + 7x) + -4x

Combine like terms: 7x + -4x = 3x
-39 = -21 + 3x

Solving
-39 = -21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-39 + -3x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
-39 + -3x = -21 + 0
-39 + -3x = -21

Add '39' to each side of the equation.
-39 + 39 + -3x = -21 + 39

Combine like terms: -39 + 39 = 0
0 + -3x = -21 + 39
-3x = -21 + 39

Combine like terms: -21 + 39 = 18
-3x = 18

Divide each side by '-3'.
x = -6

Simplifying
x = -6

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