5-3a-18=4a+8

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Solution for 5-3a-18=4a+8 equation:


Simplifying
5 + -3a + -18 = 4a + 8

Reorder the terms:
5 + -18 + -3a = 4a + 8

Combine like terms: 5 + -18 = -13
-13 + -3a = 4a + 8

Reorder the terms:
-13 + -3a = 8 + 4a

Solving
-13 + -3a = 8 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-13 + -3a + -4a = 8 + 4a + -4a

Combine like terms: -3a + -4a = -7a
-13 + -7a = 8 + 4a + -4a

Combine like terms: 4a + -4a = 0
-13 + -7a = 8 + 0
-13 + -7a = 8

Add '13' to each side of the equation.
-13 + 13 + -7a = 8 + 13

Combine like terms: -13 + 13 = 0
0 + -7a = 8 + 13
-7a = 8 + 13

Combine like terms: 8 + 13 = 21
-7a = 21

Divide each side by '-7'.
a = -3

Simplifying
a = -3

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