Answer:
x= 4i or -4i
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Hope this helped :)
Answer:
Step-by-step explanation:
y = mx + b
Here, m is the slope.
b is the y-intercept
x-intercept = -b/m
y = 3x -4
a) slope = 3
b) y-intercept = (-4)
c) x -intercept = -(-4)/3 = 4/3
a) slope = 
b) y-intercept = (-3)
c) x -intercept =
÷(-3)

Answer: Ann = 67 Josh = 60 Claire = 30
Step-by-step explanation: You get the equation 5x+7 = 157. You get the equation because for example, Claire = x then josh = 2x and Ann = 2x + 7. You do all the math and boom! You get the answer :)