-3+4(8a+10)=53

Solution for -3+4(8a+10)=53 equation:

Simplifying
-3 + 4(8a + 10) = 53

Reorder the terms:
-3 + 4(10 + 8a) = 53
-3 + (10 * 4 + 8a * 4) = 53
-3 + (40 + 32a) = 53

Combine like terms: -3 + 40 = 37
37 + 32a = 53

Solving
37 + 32a = 53

Solving for variable 'a'.

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

Add '-37' to each side of the equation.
37 + -37 + 32a = 53 + -37

Combine like terms: 37 + -37 = 0
0 + 32a = 53 + -37
32a = 53 + -37

Combine like terms: 53 + -37 = 16
32a = 16

Divide each side by '32'.
a = 0.5

Simplifying
a = 0.5