4(3+5a)-4=3+2(a-2)

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Solution for 4(3+5a)-4=3+2(a-2) equation:


Simplifying
4(3 + 5a) + -4 = 3 + 2(a + -2)
(3 * 4 + 5a * 4) + -4 = 3 + 2(a + -2)
(12 + 20a) + -4 = 3 + 2(a + -2)

Reorder the terms:
12 + -4 + 20a = 3 + 2(a + -2)

Combine like terms: 12 + -4 = 8
8 + 20a = 3 + 2(a + -2)

Reorder the terms:
8 + 20a = 3 + 2(-2 + a)
8 + 20a = 3 + (-2 * 2 + a * 2)
8 + 20a = 3 + (-4 + 2a)

Combine like terms: 3 + -4 = -1
8 + 20a = -1 + 2a

Solving
8 + 20a = -1 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
8 + 20a + -2a = -1 + 2a + -2a

Combine like terms: 20a + -2a = 18a
8 + 18a = -1 + 2a + -2a

Combine like terms: 2a + -2a = 0
8 + 18a = -1 + 0
8 + 18a = -1

Add '-8' to each side of the equation.
8 + -8 + 18a = -1 + -8

Combine like terms: 8 + -8 = 0
0 + 18a = -1 + -8
18a = -1 + -8

Combine like terms: -1 + -8 = -9
18a = -9

Divide each side by '18'.
a = -0.5

Simplifying
a = -0.5

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