Answer:
x= -1/2 or if you want it in decimal for its x= -0.5
Step-by-step explanation:
4/7(21/8x+1/2) = -2(1/7-5/28x)
3x/2+2/7 = −2/7+5x/14
8x/7 = 4/7
8x = 4
x = -1/2
Hope this helps .-.