3(-7x-9)=-90

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Solution for 3(-7x-9)=-90 equation:


Simplifying
3(-7x + -9) = -90

Reorder the terms:
3(-9 + -7x) = -90
(-9 * 3 + -7x * 3) = -90
(-27 + -21x) = -90

Solving
-27 + -21x = -90

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + -21x = -90 + 27

Combine like terms: -27 + 27 = 0
0 + -21x = -90 + 27
-21x = -90 + 27

Combine like terms: -90 + 27 = -63
-21x = -63

Divide each side by '-21'.
x = 3

Simplifying
x = 3

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