Start by writing what is said:
2x + 4 = -6
From there just solve for x:
Subtract 4 from both sides
2x + 4 - 4 = -6 - 4
2x = -10
Divide by 2 to get x by itself
2x/2 = -10/2
x = -5
Answer:
$80
Step-by-step explanation:
400÷50= 80 which is the weekly rate of wages
F(5) = -2 * 5 + 1 = -9
the pair is (5, -9)
180/3x then you get you answer