The second one if im not wrong
Answer:
2x/5 = 6
x 5 x 5
2x = 30
divide by 2 on both sides
x = 15
A billion has 9 zeros. So
15,000,000,000
:)
They are opposites. since |-3| has the lines around it, this represents absolute value, which is not positive or negative but how far away the value is from 0. the plain -3 remains the same. |-3| is 3, because it is 3 units away from 0 on the number line.