122.5.
A=b x h/2. A=122.5 b=7
A x b=h
122.5 x 7 =122.5
Let number be x
2x - 5 = 3
2x = 3 + 5
x = 8 / 2
= 4
The number is 4
3 x + 7 = 2
3 x = 2 - 7
3 x = - 5
x = - 5/3
3 ( -5/3) + 7 = - 15/3 + 7 = - 5 + 7 = 2
Answer:
identity 4
Step-by-step explanation:
Answer:
negative
Step-by-step explanation: