-7(3a-4)=133

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Solution for -7(3a-4)=133 equation:


Simplifying
-7(3a + -4) = 133

Reorder the terms:
-7(-4 + 3a) = 133
(-4 * -7 + 3a * -7) = 133
(28 + -21a) = 133

Solving
28 + -21a = 133

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + -21a = 133 + -28

Combine like terms: 28 + -28 = 0
0 + -21a = 133 + -28
-21a = 133 + -28

Combine like terms: 133 + -28 = 105
-21a = 105

Divide each side by '-21'.
a = -5

Simplifying
a = -5

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