-6x-3(-3x+7)=51

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Solution for -6x-3(-3x+7)=51 equation:


Simplifying
-6x + -3(-3x + 7) = 51

Reorder the terms:
-6x + -3(7 + -3x) = 51
-6x + (7 * -3 + -3x * -3) = 51
-6x + (-21 + 9x) = 51

Reorder the terms:
-21 + -6x + 9x = 51

Combine like terms: -6x + 9x = 3x
-21 + 3x = 51

Solving
-21 + 3x = 51

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 + 3x = 51 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = 51 + 21
3x = 51 + 21

Combine like terms: 51 + 21 = 72
3x = 72

Divide each side by '3'.
x = 24

Simplifying
x = 24

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