Answer:
7.92
Step-by-step explanation:
x = 4
First you combine like terms:
8 + 4x = 24
Then solve:
4x = 24 - 8
4x = 16
x = 16/4
total area = 99m² + 39.4m²
= 138.4m²
94
PEDMAS
Step 1 : Multiplication :
-6×3 =-18
Step 2: Addition: -18+78 = +60
Step 3: Addition : 35+60
= 94