Answer:
x = 23
Step-by-step explanation:
AE = EC
so, 5x + 3 = 118
5x + 3 = 118
Bring +3 to the other side so -3
5x = 118 - 3
5x = 115
Bring 5 to the other side so:
x = 115 ÷ 5
x = 65