Answer:
Z = 8.4
Step-by-step explanation:
Jusg move 6.3 behind
When something negative moves behind it becomes positive
So 2.1 plus 6.3 is 8.4
Answer:
Z=8.4
Step-by-step explanation:
1. Add 6.3 to both sides.
Z =2.1+6.3
2.Simplify 2.1+6.3 to 8.4
Z=8.4
--------------------------(Checking answer)
Z−6.3=2.1
1. Let Z=8.4
8.4-6.3=2.1
2. Simplify 8.4-6.3 to 2.1
2.1=2.1
