7(3a+5)=-91

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Solution for 7(3a+5)=-91 equation:


Simplifying
7(3a + 5) = -91

Reorder the terms:
7(5 + 3a) = -91
(5 * 7 + 3a * 7) = -91
(35 + 21a) = -91

Solving
35 + 21a = -91

Solving for variable 'a'.

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

Add '-35' to each side of the equation.
35 + -35 + 21a = -91 + -35

Combine like terms: 35 + -35 = 0
0 + 21a = -91 + -35
21a = -91 + -35

Combine like terms: -91 + -35 = -126
21a = -126

Divide each side by '21'.
a = -6

Simplifying
a = -6

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