Answer: 240
Step-by-step explanation:
given:
(7/8)x + 20 = (3/4)x + 50
get x on one side:
(7/8)x - (3/4)x = 50 - 20
combine like terms:
(1/8)x = 30
get x by itself by multiplying by the reciprocal of (1/8)
x = 240