E is (-2,2) D is (-4,1) F is (-3,-1)
Answer:
The given expression is
= 3.3125
Step-by-step explanation:
The given expression is
= 3.3125
I'll use x, y, and z for the numbers
x + z = y
x + y = 6 + z
3x - 2y = z
Substitute (x + z) for y in the second equation.
x + (x + z) = 6 + z and solve
2x = 6
x = 3
Rearrange another equation and substitute (3) for x.
(3) + y = 6 + z solve for y
y = 3 + z
substitute y in another equation
3(3) - 2(3+z) = z solve
9 - 6 - 2z = z
3 = -z
z = 3
going back to the first equation:
x+z=y
3 + 3 = 6
Answers:
x=3
y=6
z=3
check all equations to make sure it works for all equations
Answer: 10 and 8
Step-by-step explanation: A coefficient is the number that comes before the variable. I hope this helps :)