4(b+-75)=300

Solution for 4(b+-75)=300 equation:

Simplifying
4(b + -75) = 300

Reorder the terms:
4(-75 + b) = 300
(-75 * 4 + b * 4) = 300
(-300 + 4b) = 300

Solving
-300 + 4b = 300

Solving for variable 'b'.

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

Add '300' to each side of the equation.
-300 + 300 + 4b = 300 + 300

Combine like terms: -300 + 300 = 0
0 + 4b = 300 + 300
4b = 300 + 300

Combine like terms: 300 + 300 = 600
4b = 600

Divide each side by '4'.
b = 150

Simplifying
b = 150