1+a-4=13+3a

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Solution for 1+a-4=13+3a equation:


Simplifying
1 + a + -4 = 13 + 3a

Reorder the terms:
1 + -4 + a = 13 + 3a

Combine like terms: 1 + -4 = -3
-3 + a = 13 + 3a

Solving
-3 + a = 13 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-3 + a + -3a = 13 + 3a + -3a

Combine like terms: a + -3a = -2a
-3 + -2a = 13 + 3a + -3a

Combine like terms: 3a + -3a = 0
-3 + -2a = 13 + 0
-3 + -2a = 13

Add '3' to each side of the equation.
-3 + 3 + -2a = 13 + 3

Combine like terms: -3 + 3 = 0
0 + -2a = 13 + 3
-2a = 13 + 3

Combine like terms: 13 + 3 = 16
-2a = 16

Divide each side by '-2'.
a = -8

Simplifying
a = -8

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