Answer:
x = 20.1
Step-by-step explanation:
First up you need to multipy the numbers on the outside with the ones on the inside
This would mean that
0.4(2x + 0.3) = 1/3(6x - 7.2) will change to
0.8x + 0.12 = 2x - 2.4
You just have to solve for x now:
2.4 + 0.12 = 2x - 0.8x
2.52 = 1.2x
x = 2.1
