Answer:
x=4.5 and y= -6
Step-by-step explanation:
2x+5y= -21
-2x+3y= -27
add the two equations: 8y= -48
y=-48/8= -6
sub for y in 2x+5y= -21
2x + 5(-6)=-21, 2x-30= -21
2x= -21+30= 9
x= 9/2=4.5
Answer:
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Step-by-step explanation:
hope this helped :)
Answer:
$43.40
Step-by-step explanation:
First, you would have to find out how much was discounted. To find this, you multiply $62.00 (the total) by 30% (the discount sale). You will end up getting $18.60. Finally, you can subtract $18.60 from the original total which was $62.00 to get $43.40 after the discount.
Answer:
x = 44 degrees.
Step-by-step explanation:
Hi!
Since m<2 and m<3 equal 180 degrees (sum of flat line), we can form an equation
(x+4) + (3x) = 180
x + 4 + 3x = 180
4x + 4 = 180
4x = 176
Divide by 4 on both sides
x = 44 degrees
Let me know if you have any questions