9+3a=0a+20-15

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Solution for 9+3a=0a+20-15 equation:


Simplifying
9 + 3a = 0a + 20 + -15

Anything times zero is zero.
9 + 3a = 0a + 20 + -15

Combine like terms: 0 + 20 = 20
9 + 3a = 20 + -15

Combine like terms: 20 + -15 = 5
9 + 3a = 5

Solving
9 + 3a = 5

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 3a = 5 + -9

Combine like terms: 9 + -9 = 0
0 + 3a = 5 + -9
3a = 5 + -9

Combine like terms: 5 + -9 = -4
3a = -4

Divide each side by '3'.
a = -1.333333333

Simplifying
a = -1.333333333

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