-7(1+5a)+4=172

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Solution for -7(1+5a)+4=172 equation:


Simplifying
-7(1 + 5a) + 4 = 172
(1 * -7 + 5a * -7) + 4 = 172
(-7 + -35a) + 4 = 172

Reorder the terms:
-7 + 4 + -35a = 172

Combine like terms: -7 + 4 = -3
-3 + -35a = 172

Solving
-3 + -35a = 172

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -35a = 172 + 3

Combine like terms: -3 + 3 = 0
0 + -35a = 172 + 3
-35a = 172 + 3

Combine like terms: 172 + 3 = 175
-35a = 175

Divide each side by '-35'.
a = -5

Simplifying
a = -5

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