-156=4+5(3+7a)

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Solution for -156=4+5(3+7a) equation:


Simplifying
-156 = 4 + 5(3 + 7a)
-156 = 4 + (3 * 5 + 7a * 5)
-156 = 4 + (15 + 35a)

Combine like terms: 4 + 15 = 19
-156 = 19 + 35a

Solving
-156 = 19 + 35a

Solving for variable 'a'.

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

Add '-35a' to each side of the equation.
-156 + -35a = 19 + 35a + -35a

Combine like terms: 35a + -35a = 0
-156 + -35a = 19 + 0
-156 + -35a = 19

Add '156' to each side of the equation.
-156 + 156 + -35a = 19 + 156

Combine like terms: -156 + 156 = 0
0 + -35a = 19 + 156
-35a = 19 + 156

Combine like terms: 19 + 156 = 175
-35a = 175

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

Simplifying
a = -5

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