-40+4a=-4(-2-7a)

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Solution for -40+4a=-4(-2-7a) equation:


Simplifying
-40 + 4a = -4(-2 + -7a)
-40 + 4a = (-2 * -4 + -7a * -4)
-40 + 4a = (8 + 28a)

Solving
-40 + 4a = 8 + 28a

Solving for variable 'a'.

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

Add '-28a' to each side of the equation.
-40 + 4a + -28a = 8 + 28a + -28a

Combine like terms: 4a + -28a = -24a
-40 + -24a = 8 + 28a + -28a

Combine like terms: 28a + -28a = 0
-40 + -24a = 8 + 0
-40 + -24a = 8

Add '40' to each side of the equation.
-40 + 40 + -24a = 8 + 40

Combine like terms: -40 + 40 = 0
0 + -24a = 8 + 40
-24a = 8 + 40

Combine like terms: 8 + 40 = 48
-24a = 48

Divide each side by '-24'.
a = -2

Simplifying
a = -2

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