7a+4=2(a-8)

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


Simplifying
7a + 4 = 2(a + -8)

Reorder the terms:
4 + 7a = 2(a + -8)

Reorder the terms:
4 + 7a = 2(-8 + a)
4 + 7a = (-8 * 2 + a * 2)
4 + 7a = (-16 + 2a)

Solving
4 + 7a = -16 + 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.
4 + 7a + -2a = -16 + 2a + -2a

Combine like terms: 7a + -2a = 5a
4 + 5a = -16 + 2a + -2a

Combine like terms: 2a + -2a = 0
4 + 5a = -16 + 0
4 + 5a = -16

Add '-4' to each side of the equation.
4 + -4 + 5a = -16 + -4

Combine like terms: 4 + -4 = 0
0 + 5a = -16 + -4
5a = -16 + -4

Combine like terms: -16 + -4 = -20
5a = -20

Divide each side by '5'.
a = -4

Simplifying
a = -4

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