7(b+3)=7b+4

Solution for 7(b+3)=7b+4 equation:

Simplifying
7(b + 3) = 7b + 4

Reorder the terms:
7(3 + b) = 7b + 4
(3 * 7 + b * 7) = 7b + 4
(21 + 7b) = 7b + 4

Reorder the terms:
21 + 7b = 4 + 7b

Add '-7b' to each side of the equation.
21 + 7b + -7b = 4 + 7b + -7b

Combine like terms: 7b + -7b = 0
21 + 0 = 4 + 7b + -7b
21 = 4 + 7b + -7b

Combine like terms: 7b + -7b = 0
21 = 4 + 0
21 = 4

Solving
21 = 4

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.