(1a+-7)5=

Solution for (1a+-7)5= equation:

Simplifying
(1a + -7) * 5 = 0

Reorder the terms:
(-7 + 1a) * 5 = 0

Reorder the terms for easier multiplication:
5(-7 + 1a) = 0
(-7 * 5 + 1a * 5) = 0
(-35 + 5a) = 0

Solving
-35 + 5a = 0

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 + 5a = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 5a = 0 + 35
5a = 0 + 35

Combine like terms: 0 + 35 = 35
5a = 35

Divide each side by '5'.
a = 7

Simplifying
a = 7