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

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


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

Reorder the terms:
-4 + 5a + -7a = -1a + -8

Combine like terms: 5a + -7a = -2a
-4 + -2a = -1a + -8

Reorder the terms:
-4 + -2a = -8 + -1a

Solving
-4 + -2a = -8 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-4 + -2a + a = -8 + -1a + a

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

Combine like terms: -1a + a = 0
-4 + -1a = -8 + 0
-4 + -1a = -8

Add '4' to each side of the equation.
-4 + 4 + -1a = -8 + 4

Combine like terms: -4 + 4 = 0
0 + -1a = -8 + 4
-1a = -8 + 4

Combine like terms: -8 + 4 = -4
-1a = -4

Divide each side by '-1'.
a = 4

Simplifying
a = 4

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