Answer:
-100 each time
Step-by-step explanation:
Answer:
$25.30
Step-by-step explanation:
15% of 22 = 3.3
22 + 3.3 = 25.30
Sub
solve for 1 variable
solve for x in seond eqution
divide everybody by 2
x+2y=8
minus 2y
x=8-2y
sub 8-2y for x in other equation
3(8-2y)-2y=12
24-6y-2y=12
24-8y=12
minus 24
-8y=-12
divide -8 both sides
y=3/2
sub
x=8-2y
x=8-2(3/2)
x=8-3
x=5
(5,3/2)
Answer:
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Step-by-step explanation:
Step-by-step explanation:
5 - n/2 = 12
10/2 - n/2 = 12
n = (12 × (-2)) + 10
n = (-24) + 10
n = <u>-1</u><u>4</u>
Let's prove it :
Conclusion :
5 - n/2 = 12
5 - (-14/2) = 12
and
n = -14