Answer:
x = 3 - 3/10y
Explanation:
2/3 x + 1/5 y =2
Solve for x
Subtract 1/5 y from each side
2/3 x + 1/5 y -1/5y =2-1/5 y
2/3 x = 2 -1/5y
Multiply each side by 3/2 to isolate x
3/2 * 2/3x = 3/2(2- 1/5y)
Distribute
x = 3/2 *2 - 3/2 * 1/5y
x = 3 - 3/10y