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

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Solution for 4-3(a+1)=8+a equation: 


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

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

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

Solving
1 + -3a = 8 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
1 + -3a + -1a = 8 + a + -1a

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

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

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

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

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

Divide each side by '-4'.
a = -1.75

Simplifying
a = -1.75

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