This is a special case. If after step two I would've gotten y=something... I would have plugged that new y value into my first equation
Answer:
w > 0
Step-by-step explanation:
-5 > -5 - 8w
+5 +5
--------------------
0 > -8w
/-8 /-8
--------------------
0 > w
w > 0
Answer:
x = 5
Step-by-step explanation:
The opposite sides of a rectangle are equal , then perimeter
2(- 2x - 6) + 2(4x + 4) = 16 ← distribute parenthesis and simplify left side
- 4x - 12 + 8x + 8 = 16
4x - 4 = 16 ( add 4 to both sides )
4x = 20 ( divide both sides by 4 )
x = 5
He needs 6 litres of the 20% and 2 litres of the 60% a simple trial and error method will do in this type of equation
Answer:
can u copy and paste the text so i can actually see??
Step-by-step explanation: