3a-7=b+8

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Solution for 3a-7=b+8 equation:


Simplifying
3a + -7 = b + 8

Reorder the terms:
-7 + 3a = b + 8

Reorder the terms:
-7 + 3a = 8 + b

Solving
-7 + 3a = 8 + b

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 3a = 8 + 7 + b

Combine like terms: -7 + 7 = 0
0 + 3a = 8 + 7 + b
3a = 8 + 7 + b

Combine like terms: 8 + 7 = 15
3a = 15 + b

Divide each side by '3'.
a = 5 + 0.3333333333b

Simplifying
a = 5 + 0.3333333333b

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