9a+1=-3a+13

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Solution for 9a+1=-3a+13 equation:


Simplifying
9a + 1 = -3a + 13

Reorder the terms:
1 + 9a = -3a + 13

Reorder the terms:
1 + 9a = 13 + -3a

Solving
1 + 9a = 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.
1 + 9a + 3a = 13 + -3a + 3a

Combine like terms: 9a + 3a = 12a
1 + 12a = 13 + -3a + 3a

Combine like terms: -3a + 3a = 0
1 + 12a = 13 + 0
1 + 12a = 13

Add '-1' to each side of the equation.
1 + -1 + 12a = 13 + -1

Combine like terms: 1 + -1 = 0
0 + 12a = 13 + -1
12a = 13 + -1

Combine like terms: 13 + -1 = 12
12a = 12

Divide each side by '12'.
a = 1

Simplifying
a = 1

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