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

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


Simplifying
-40 + -7a = -7 + -5(5 + 3a)
-40 + -7a = -7 + (5 * -5 + 3a * -5)
-40 + -7a = -7 + (-25 + -15a)

Combine like terms: -7 + -25 = -32
-40 + -7a = -32 + -15a

Solving
-40 + -7a = -32 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
-40 + -7a + 15a = -32 + -15a + 15a

Combine like terms: -7a + 15a = 8a
-40 + 8a = -32 + -15a + 15a

Combine like terms: -15a + 15a = 0
-40 + 8a = -32 + 0
-40 + 8a = -32

Add '40' to each side of the equation.
-40 + 40 + 8a = -32 + 40

Combine like terms: -40 + 40 = 0
0 + 8a = -32 + 40
8a = -32 + 40

Combine like terms: -32 + 40 = 8
8a = 8

Divide each side by '8'.
a = 1

Simplifying
a = 1

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