3a+b+48=90

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Solution for 3a+b+48=90 equation:


Simplifying
3a + b + 48 = 90

Reorder the terms:
48 + 3a + b = 90

Solving
48 + 3a + b = 90

Solving for variable 'a'.

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

Add '-48' to each side of the equation.
48 + 3a + -48 + b = 90 + -48

Reorder the terms:
48 + -48 + 3a + b = 90 + -48

Combine like terms: 48 + -48 = 0
0 + 3a + b = 90 + -48
3a + b = 90 + -48

Combine like terms: 90 + -48 = 42
3a + b = 42

Add '-1b' to each side of the equation.
3a + b + -1b = 42 + -1b

Combine like terms: b + -1b = 0
3a + 0 = 42 + -1b
3a = 42 + -1b

Divide each side by '3'.
a = 14 + -0.3333333333b

Simplifying
a = 14 + -0.3333333333b

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