7b+3-4b=3-3(6-4)

Solution for 7b+3-4b=3-3(6-4) equation:

Simplifying
7b + 3 + -4b = 3 + -3(6 + -4)

Reorder the terms:
3 + 7b + -4b = 3 + -3(6 + -4)

Combine like terms: 7b + -4b = 3b
3 + 3b = 3 + -3(6 + -4)

Combine like terms: 6 + -4 = 2
3 + 3b = 3 + -3(2)

Multiply -3 * 2
3 + 3b = 3 + -6

Combine like terms: 3 + -6 = -3
3 + 3b = -3

Solving
3 + 3b = -3

Solving for variable 'b'.

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

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

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

Combine like terms: -3 + -3 = -6
3b = -6

Divide each side by '3'.
b = -2

Simplifying
b = -2