7x-3(-7-6x)=-54

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Solution for 7x-3(-7-6x)=-54 equation:


Simplifying
7x + -3(-7 + -6x) = -54
7x + (-7 * -3 + -6x * -3) = -54
7x + (21 + 18x) = -54

Reorder the terms:
21 + 7x + 18x = -54

Combine like terms: 7x + 18x = 25x
21 + 25x = -54

Solving
21 + 25x = -54

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 + 25x = -54 + -21

Combine like terms: 21 + -21 = 0
0 + 25x = -54 + -21
25x = -54 + -21

Combine like terms: -54 + -21 = -75
25x = -75

Divide each side by '25'.
x = -3

Simplifying
x = -3

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