tenoi14
22.07.2019 •
Mathematics
0.4a + 1.2 equals 3.6 what does a equals
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Ответ:
Subtract -1.2 both sides
-.4a=2.4
Divide both sides by .4
-a=6
Divide both sides by negative (-1)
a=-6
Ответ:
(0, -2). x = 0, y = -2
Left Hand side, LHS =2x - 5y
2*0 - 5*-2
0 + 10
10
This is equal to the Right Hand Side (RHS) of the equation.
LHS = RHS.
Yes (0, -2) is a solution to 2x - 5y = 10.