40=0.76+15a

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Solution for 40=0.76+15a equation:


Simplifying
40 = 0.76 + 15a

Solving
40 = 0.76 + 15a

Solving for variable 'a'.

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

Add '-15a' to each side of the equation.
40 + -15a = 0.76 + 15a + -15a

Combine like terms: 15a + -15a = 0
40 + -15a = 0.76 + 0
40 + -15a = 0.76

Add '-40' to each side of the equation.
40 + -40 + -15a = 0.76 + -40

Combine like terms: 40 + -40 = 0
0 + -15a = 0.76 + -40
-15a = 0.76 + -40

Combine like terms: 0.76 + -40 = -39.24
-15a = -39.24

Divide each side by '-15'.
a = 2.616

Simplifying
a = 2.616

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