7(3a+4)-2(5a-8)=-a+8(a+8)

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Solution for 7(3a+4)-2(5a-8)=-a+8(a+8) equation:


Simplifying
7(3a + 4) + -2(5a + -8) = -1a + 8(a + 8)

Reorder the terms:
7(4 + 3a) + -2(5a + -8) = -1a + 8(a + 8)
(4 * 7 + 3a * 7) + -2(5a + -8) = -1a + 8(a + 8)
(28 + 21a) + -2(5a + -8) = -1a + 8(a + 8)

Reorder the terms:
28 + 21a + -2(-8 + 5a) = -1a + 8(a + 8)
28 + 21a + (-8 * -2 + 5a * -2) = -1a + 8(a + 8)
28 + 21a + (16 + -10a) = -1a + 8(a + 8)

Reorder the terms:
28 + 16 + 21a + -10a = -1a + 8(a + 8)

Combine like terms: 28 + 16 = 44
44 + 21a + -10a = -1a + 8(a + 8)

Combine like terms: 21a + -10a = 11a
44 + 11a = -1a + 8(a + 8)

Reorder the terms:
44 + 11a = -1a + 8(8 + a)
44 + 11a = -1a + (8 * 8 + a * 8)
44 + 11a = -1a + (64 + 8a)

Reorder the terms:
44 + 11a = 64 + -1a + 8a

Combine like terms: -1a + 8a = 7a
44 + 11a = 64 + 7a

Solving
44 + 11a = 64 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
44 + 11a + -7a = 64 + 7a + -7a

Combine like terms: 11a + -7a = 4a
44 + 4a = 64 + 7a + -7a

Combine like terms: 7a + -7a = 0
44 + 4a = 64 + 0
44 + 4a = 64

Add '-44' to each side of the equation.
44 + -44 + 4a = 64 + -44

Combine like terms: 44 + -44 = 0
0 + 4a = 64 + -44
4a = 64 + -44

Combine like terms: 64 + -44 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

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