Answer:
Step-by-step explanation:
7x + 1 + 10x - 9 = 19x - 18
17x - 8 = 19x - 18
-2x - 8 = -18
-2x = -10
x = 5 the solution
7(5)+1= 36
10(5) - 9 = 50 - 9 = 41
19(5) - 18 = 95 - 18 = 77
