-40=-2a+8(4-2a)

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Solution for -40=-2a+8(4-2a) equation:


Simplifying
-40 = -2a + 8(4 + -2a)
-40 = -2a + (4 * 8 + -2a * 8)
-40 = -2a + (32 + -16a)

Reorder the terms:
-40 = 32 + -2a + -16a

Combine like terms: -2a + -16a = -18a
-40 = 32 + -18a

Solving
-40 = 32 + -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
-40 + 18a = 32 + -18a + 18a

Combine like terms: -18a + 18a = 0
-40 + 18a = 32 + 0
-40 + 18a = 32

Add '40' to each side of the equation.
-40 + 40 + 18a = 32 + 40

Combine like terms: -40 + 40 = 0
0 + 18a = 32 + 40
18a = 32 + 40

Combine like terms: 32 + 40 = 72
18a = 72

Divide each side by '18'.
a = 4

Simplifying
a = 4

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