Answer:
8.4
Step-by-step explanation:
Step 1: Set the value of x to 1.4
2x + 5.6
2(1.4) + 5.6
2.8 + 5.6
Answer: 8.4
since x is equal to 1.4 you put 2(1.4)+5.6
u do 2(1.4) first which equals 2.8
then add 5.6 to it which equals 8.4
so the answer is 8.4
