2a+3b=84

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Solution for 2a+3b=84 equation: 


Simplifying
2a + 3b = 84

Solving
2a + 3b = 84

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
2a + 3b + -3b = 84 + -3b

Combine like terms: 3b + -3b = 0
2a + 0 = 84 + -3b
2a = 84 + -3b

Divide each side by '2'.
a = 42 + -1.5b

Simplifying
a = 42 + -1.5b

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