What is the solution to this equation g/2+7=21

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

How do i do this activity, is appreciated