3a+6-7=13

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Solution for 3a+6-7=13 equation:


Simplifying
3a + 6 + -7 = 13

Reorder the terms:
6 + -7 + 3a = 13

Combine like terms: 6 + -7 = -1
-1 + 3a = 13

Solving
-1 + 3a = 13

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + 3a = 13 + 1

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

Combine like terms: 13 + 1 = 14
3a = 14

Divide each side by '3'.
a = 4.666666667

Simplifying
a = 4.666666667

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