-3x+3(-2x-7)=-75

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Solution for -3x+3(-2x-7)=-75 equation:


Simplifying
-3x + 3(-2x + -7) = -75

Reorder the terms:
-3x + 3(-7 + -2x) = -75
-3x + (-7 * 3 + -2x * 3) = -75
-3x + (-21 + -6x) = -75

Reorder the terms:
-21 + -3x + -6x = -75

Combine like terms: -3x + -6x = -9x
-21 + -9x = -75

Solving
-21 + -9x = -75

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 + -9x = -75 + 21

Combine like terms: -21 + 21 = 0
0 + -9x = -75 + 21
-9x = -75 + 21

Combine like terms: -75 + 21 = -54
-9x = -54

Divide each side by '-9'.
x = 6

Simplifying
x = 6

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