Answer:
Equation: 80-25= m
Solution: 80-25= 55
Check: 25+55= 80
Step-by-step explanation:
BigBrain
lol
Answer: A
1) 2x + 9 = 2x -5
9 ≠ -5 ; No solution
2) 2x- 1 = x + 3
x = 4; One solution x = 4
3) x + 2 = x + 2
0 = 0; Identity (or all real numbers)
