3(-7X+2)=90

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Solution for 3(-7X+2)=90 equation: 


Simplifying
3(-7X + 2) = 90

Reorder the terms:
3(2 + -7X) = 90
(2 * 3 + -7X * 3) = 90
(6 + -21X) = 90

Solving
6 + -21X = 90

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + -6 + -21X = 90 + -6

Combine like terms: 6 + -6 = 0
0 + -21X = 90 + -6
-21X = 90 + -6

Combine like terms: 90 + -6 = 84
-21X = 84

Divide each side by '-21'.
X = -4

Simplifying
X = -4

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