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

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

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

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

Combine like terms: 7b + -4b = 3b
3 + 3b = 3 + 3(b + 4)

Reorder the terms:
3 + 3b = 3 + 3(4 + b)
3 + 3b = 3 + (4 * 3 + b * 3)
3 + 3b = 3 + (12 + 3b)

Combine like terms: 3 + 12 = 15
3 + 3b = 15 + 3b

Add '-3b' to each side of the equation.
3 + 3b + -3b = 15 + 3b + -3b

Combine like terms: 3b + -3b = 0
3 + 0 = 15 + 3b + -3b
3 = 15 + 3b + -3b

Combine like terms: 3b + -3b = 0
3 = 15 + 0
3 = 15

Solving
3 = 15

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.