18 = 2x +4
Subtract 4 from each side:
14 = 2x
divide both sides by 2:
X = 14/2 = 7 dollars per hour
The third one
3(x+5) = 3 * x + 3 * 5
Four times the sum of a number and 6.
work:
the 4 is multiplying the expression in parenthesis, so we can start with
4 times.
in the parenthesis, a number n is being added to 6.
we are multiplying this by 4, so it's 4 times the sum of a number plus six. hope this helps! :D
Answer:
x=1/3
Step-by-step explanation:
first multiply both bracket to together and then you get, 9x=3
x=1/3, then sub in to other equation and get the rest answer.
hope it helpful
Answer:
-8/3
Step-by-step explanation:
We know that lines that are perpendicular have slopes that multiply to -1
m1 * m2 = -1
We know one slope is 3/8 and are looking for the perpendicular slope m2
3/8 * m2 = -1
Multiply each side by 8/3 to find m2
3/8*8/3 *m2 = -1*8/3
m2 = -8/3
