Answer:
x=4
Step-by-step explanation:
1. 2x+4=12
2. 2x+4-4=12-4
3. 2x=8
4. 2x/2=8/2
5. x=4
Answer:
50
Step-by-step explanation:
1+3+5+7+9+11+13+15+17+19= 100/2= 50
Answer:
x < -7
Step-by-step explanation:
3x < -21
<u>Step 1: Divide both sides by 3</u>
3x < -21
3x / 3 < -21 / 3
x < -7
Answer: x < -7
M<B = 90 - 38
m<B = 52
answer is B. 52
63+12x<15
12x<-48 (subtract 63 from both sides)
x<-4 (divide out the 12)
