Photomath is the best for fractions, decimals ect. You could also try a scientific calculator.
Answer:
Step-by-step explanation:
First you need to convert it to a linear expression.
3x - y = 4
+3x +3x
-1y = 3x + 4
--- ----- -----
-1 -1 -1
y = -3x -4
6x - 2y = 7
-6x -6x
-2y = -6x + 7
---- ----- -----
-2 -2 -2
y = 3x - 3.5
-3x - 4 = 3x - 3.5
+3x +3x
-4 = 6x - 3.5
+3.5 +3.5
-0.5 = 6x
----- -----
6 6
-0.5
------ = x
6
Answer:
composite numbers are numbers that can be divided by other numbers and itself.
Step-by-step explanation:
Step-by-step explanation:
x-int
-7x=28
x=-4
(-4,0)
-4y=28. y-int
y=-7
(0,-7)
