-7x2y=-13
x-2y=11
Slove useing subtract
1 answer:
-7x+2y=-13
x-2y=11
add them euations
-7x+2y=-13
<u>1x-2y=11 +</u>
-6x+0y=-2
-6x=-2
divide both sides by -6
x=1/3
sub back
x-2y=11
1/3-2y=11
minus 1/3 both sides
-2y=10 and 2/3
divide both sides by -2 (or times both sides by -1/2)
y=-5 and 1/3
x=1/3
y=-5 and 1/3
(1/3,-16/3)
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Answer:
A) x = 6
Step-by-step explanation:
4x - 2x + 6 = x + 12
Combine like terms
2x +6 = x+12
Subtract 6 from each side
2x+6-6 = x+12-6
2x = x+6
subtract x
2x-x = x+6-x
x = 6
The greatest six-digit number they could make is 998,877 I know this because I used the largest digits and put them in order from largest to smallest.
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Answer:
(-9+√17)/8
Step-by-step explanation:
its an example of quadratic
3*16/3+2=18
16+2=18 i found this on a website hope it helped!
https://www.algebra.com
is the link