Answer:
x= -4
Step-by-step explanation:
distribute
combine like terms
subtract 4x from both sides
subtract 8 from both sides
divide both sides by -2
Answer:
X= -1 and x=5
Explanation:
Make it equal to zero
X-5=0
Then add five to both sides
X=5
For the other one do the same
X+1=0
Then subtract one on both sides
X=-1
Hope this helps!
Answer:
a=10, b=14
Step-by-step explanation:
a+b = 24
b=a+4
a+(a+4)=24
2a+4=24
2a=20
a=10
b=14
Answer:
6
Step-by-step explanation:
Answer: D. 7^11
Step-by-step explanation:
For exponents with the same base, we just add the exponents and keep the same base. 7 is the same base; therefore 5+6=11 which means the answer is 7^11
