-3a+7=55

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Solution for -3a+7=55 equation: 


Simplifying
-3a + 7 = 55

Reorder the terms:
7 + -3a = 55

Solving
7 + -3a = 55

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 = 55 + -7

Combine like terms: 7 + -7 = 0
0 + -3a = 55 + -7
-3a = 55 + -7

Combine like terms: 55 + -7 = 48
-3a = 48

Divide each side by '-3'.
a = -16

Simplifying
a = -16

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