-4(5+6m)+14=-90

Solution for -4(5+6m)+14=-90 equation:

Simplifying
-4(5 + 6m) + 14 = -90
(5 * -4 + 6m * -4) + 14 = -90
(-20 + -24m) + 14 = -90

Reorder the terms:
-20 + 14 + -24m = -90

Combine like terms: -20 + 14 = -6
-6 + -24m = -90

Solving
-6 + -24m = -90

Solving for variable 'm'.

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

Add '6' to each side of the equation.
-6 + 6 + -24m = -90 + 6

Combine like terms: -6 + 6 = 0
0 + -24m = -90 + 6
-24m = -90 + 6

Combine like terms: -90 + 6 = -84
-24m = -84

Divide each side by '-24'.
m = 3.5

Simplifying
m = 3.5