7(3x-4)=-217

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Solution for 7(3x-4)=-217 equation:


Simplifying
7(3x + -4) = -217

Reorder the terms:
7(-4 + 3x) = -217
(-4 * 7 + 3x * 7) = -217
(-28 + 21x) = -217

Solving
-28 + 21x = -217

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 21x = -217 + 28

Combine like terms: -28 + 28 = 0
0 + 21x = -217 + 28
21x = -217 + 28

Combine like terms: -217 + 28 = -189
21x = -189

Divide each side by '21'.
x = -9

Simplifying
x = -9

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