6a-2(a-1) in simplest form is 4a+2
Part A) This equation has only one solution.
Part B:
4(2x−5)=4
Simplify both sides of the equation.
4(2x−5)=4
Simplify:
4(2x−5)=4
(4)(2x)+(4)(−5)=4(Distribute)
8x+−20=4
8x−20=4
Add 20 to both sides.
8x−20+20=4+20
8x=24
Divide both sides by 8.
8x / 8 = 24 / 8
x=3
Answer:
First one
Step-by-step explanation:
x² + y² = 9
Is a circle with centre (0,0)
And radius = sqrt(9) = 3
