X-4y=-12
4x-y=12
eliminate y's
multily 2nd equaiton by -4 and add to top one
x-4y=-12
<u>-16x+4y=-48 +
</u>-15x+0y=-60
-15x=-60
divide both sides by -15
x=4
sub back
x-4y=-12
4-4y=-12
minus 4 both sides
-4y=-16
divide both sides by -4
y=4
x=4
y=4
(x,y)
(4,4)<u>
</u>
Answer:
1.69 kg
Step-by-step explanation:
add than subtract
yep thats it
7/12
12/7
1`2/7
7/12
a reciprocal you just flip the fraction
Answer:
120.
Step-by-step explanation:
If you're asking for LCM the answer is 120.