-3a+5+4a=15-20

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Solution for -3a+5+4a=15-20 equation:


Simplifying
-3a + 5 + 4a = 15 + -20

Reorder the terms:
5 + -3a + 4a = 15 + -20

Combine like terms: -3a + 4a = 1a
5 + 1a = 15 + -20

Combine like terms: 15 + -20 = -5
5 + 1a = -5

Solving
5 + 1a = -5

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 1a = -5 + -5

Combine like terms: 5 + -5 = 0
0 + 1a = -5 + -5
1a = -5 + -5

Combine like terms: -5 + -5 = -10
1a = -10

Divide each side by '1'.
a = -10

Simplifying
a = -10

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