8a-40=-5(-7a-4)+3a

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Solution for 8a-40=-5(-7a-4)+3a equation:


Simplifying
8a + -40 = -5(-7a + -4) + 3a

Reorder the terms:
-40 + 8a = -5(-7a + -4) + 3a

Reorder the terms:
-40 + 8a = -5(-4 + -7a) + 3a
-40 + 8a = (-4 * -5 + -7a * -5) + 3a
-40 + 8a = (20 + 35a) + 3a

Combine like terms: 35a + 3a = 38a
-40 + 8a = 20 + 38a

Solving
-40 + 8a = 20 + 38a

Solving for variable 'a'.

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

Add '-38a' to each side of the equation.
-40 + 8a + -38a = 20 + 38a + -38a

Combine like terms: 8a + -38a = -30a
-40 + -30a = 20 + 38a + -38a

Combine like terms: 38a + -38a = 0
-40 + -30a = 20 + 0
-40 + -30a = 20

Add '40' to each side of the equation.
-40 + 40 + -30a = 20 + 40

Combine like terms: -40 + 40 = 0
0 + -30a = 20 + 40
-30a = 20 + 40

Combine like terms: 20 + 40 = 60
-30a = 60

Divide each side by '-30'.
a = -2

Simplifying
a = -2

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