8a-4-(a+3)=

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


Simplifying
8a + -4 + -1(a + 3) = 0

Reorder the terms:
8a + -4 + -1(3 + a) = 0
8a + -4 + (3 * -1 + a * -1) = 0
8a + -4 + (-3 + -1a) = 0

Reorder the terms:
-4 + -3 + 8a + -1a = 0

Combine like terms: -4 + -3 = -7
-7 + 8a + -1a = 0

Combine like terms: 8a + -1a = 7a
-7 + 7a = 0

Solving
-7 + 7a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 7a = 0 + 7

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

Combine like terms: 0 + 7 = 7
7a = 7

Divide each side by '7'.
a = 1

Simplifying
a = 1

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