Answer:
12x-6
Step-by-step explanation:
perimeter= 2l+2w
=2(x+4)+2(5x-7)
=2x+8+10x-14
=12x-6
Answer:
x= no solution
Step-by-step explanation:
4x-2+x=-2+2x
We first add 4x+x on the left side.
5x-2=2+2x
We then add 2 to both sides.
5x=2x
The answer is no solution because we got no answer out of the equation.
Answer:
A
c= s^3 AJ / km^2
Step-by-step explanation:
If you plug in this answer in the equation, you cancel out the km^2 and AJ, leaving s^3 = s^3
