6+9=7a+31

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Solution for 6+9=7a+31 equation: 


Simplifying
6 + 9 = 7a + 31

Combine like terms: 6 + 9 = 15
15 = 7a + 31

Reorder the terms:
15 = 31 + 7a

Solving
15 = 31 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
15 + -7a = 31 + 7a + -7a

Combine like terms: 7a + -7a = 0
15 + -7a = 31 + 0
15 + -7a = 31

Add '-15' to each side of the equation.
15 + -15 + -7a = 31 + -15

Combine like terms: 15 + -15 = 0
0 + -7a = 31 + -15
-7a = 31 + -15

Combine like terms: 31 + -15 = 16
-7a = 16

Divide each side by '-7'.
a = -2.285714286

Simplifying
a = -2.285714286

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