3a+8-5a=-7(a+1)

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Solution for 3a+8-5a=-7(a+1) equation:


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

Reorder the terms:
8 + 3a + -5a = -7(a + 1)

Combine like terms: 3a + -5a = -2a
8 + -2a = -7(a + 1)

Reorder the terms:
8 + -2a = -7(1 + a)
8 + -2a = (1 * -7 + a * -7)
8 + -2a = (-7 + -7a)

Solving
8 + -2a = -7 + -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.
8 + -2a + 7a = -7 + -7a + 7a

Combine like terms: -2a + 7a = 5a
8 + 5a = -7 + -7a + 7a

Combine like terms: -7a + 7a = 0
8 + 5a = -7 + 0
8 + 5a = -7

Add '-8' to each side of the equation.
8 + -8 + 5a = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 5a = -7 + -8
5a = -7 + -8

Combine like terms: -7 + -8 = -15
5a = -15

Divide each side by '5'.
a = -3

Simplifying
a = -3

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