Answer:

Step-by-step explanation:

Multiply 2nd equqation by -1 and add to first
5x+4y=22
<u>-3x-4y=-10 +</u>
2x+0y=12
2x=12
divide by 2
x=6
sub back
3x+4y=10
3(6)+4y=10
18+4y=10
minus 18 both sides
4y=-8
divide by 4
y=-2
(x,y)
(6,-2) is solution
The answer is 1.048576 x 10 to the 6th power.
for a put 6 and b put -9
Explain: 6(-9) is equal to -54
and 6- -9 is 15 because the minus turns into a plus sign and the negative number turns into a positive number.
Answer:
c. <N
Step-by-step explanation:
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