Answer:
it's simple substitution
Step-by-step explanation:
1. (7)(2)/2= 14/2=7
2. (5)-(8)/4=
3. (6)-(1)+6=11
4. (19)+(1)^3=21
Answer:
2. x2 - 2x - 8 - 3/x + 3
3. 2x2 + 5x +3
4. 2x2 + 3x + 1
5. x + 7 + 8/x + 2
6. 3x + 5 - 6/3x +5
Step-by-step explanation:
Answer:
number 5 is y= 3 7-3=4x4=16
Step-by-step explanation:
E, 56, because you have 28 dollars, and you have to multiply that by two to get half dollars. 28*2=56.