(a+7)*8-30=

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Solution for (a+7)*8-30= equation:


Simplifying
(a + 7) * 8 + -30 = 0

Reorder the terms:
(7 + a) * 8 + -30 = 0

Reorder the terms for easier multiplication:
8(7 + a) + -30 = 0
(7 * 8 + a * 8) + -30 = 0
(56 + 8a) + -30 = 0

Reorder the terms:
56 + -30 + 8a = 0

Combine like terms: 56 + -30 = 26
26 + 8a = 0

Solving
26 + 8a = 0

Solving for variable 'a'.

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

Add '-26' to each side of the equation.
26 + -26 + 8a = 0 + -26

Combine like terms: 26 + -26 = 0
0 + 8a = 0 + -26
8a = 0 + -26

Combine like terms: 0 + -26 = -26
8a = -26

Divide each side by '8'.
a = -3.25

Simplifying
a = -3.25

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