Answer:
k=-20
Step-by-step explanation:
-12k=240
k=-20
2.142. If you ever get stuck do PEMDAS.
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
10.) DC
community property
11.) 13+x
community property
12.) 8x-12
distributive property
13.) (2+a)+b
14.) 4(2x+1)= 4+8x
For question 14 you can do 4×2=8x. Then do 4×1=4. It is equal. Just do distributive property for number 14 for 4(2x+1)
Answer:
3x^2 + x -4
Step-by-step explanation:
add them together to get:
-2x^2 + 5x^2 +3x - 2x +3 -7
3x^2 + x - 4 this should be the answer
