34=42+(2.4a)

Solution for 34=42+(2.4a) equation:

Simplifying
34 = 42 + (2.4a)

Solving
34 = 42 + (2.4a)

Solving for variable 'a'.

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

Add '(-2.4a)' to each side of the equation.
34 + (-2.4a) = 42 + (2.4a) + (-2.4a)

Combine like terms: (2.4a) + (-2.4a) = 0.0
34 + (-2.4a) = 42 + 0.0
34 + (-2.4a) = 42

Add '-34' to each side of the equation.
34 + -34 + (-2.4a) = 42 + -34

Combine like terms: 34 + -34 = 0
0 + (-2.4a) = 42 + -34
(-2.4a) = 42 + -34

Combine like terms: 42 + -34 = 8
(-2.4a) = 8

Divide each side by '-2.4'.
a = -3.333333333

Simplifying
a = -3.333333333