-3x-5(-3x-9)=51

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Solution for -3x-5(-3x-9)=51 equation:


Simplifying
-3x + -5(-3x + -9) = 51

Reorder the terms:
-3x + -5(-9 + -3x) = 51
-3x + (-9 * -5 + -3x * -5) = 51
-3x + (45 + 15x) = 51

Reorder the terms:
45 + -3x + 15x = 51

Combine like terms: -3x + 15x = 12x
45 + 12x = 51

Solving
45 + 12x = 51

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 12x = 51 + -45

Combine like terms: 45 + -45 = 0
0 + 12x = 51 + -45
12x = 51 + -45

Combine like terms: 51 + -45 = 6
12x = 6

Divide each side by '12'.
x = 0.5

Simplifying
x = 0.5

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