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Mathematics
Tyrese Spence
30 January, 15:03
Solve for x and y. 3x+8y=20. 5x+3y=23
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Linda
30 January, 18:06
0
Equation 1:
x = - 8/3y + 20/3
y = - 3/8x + 5/2
Equation 2:
x = - 3/5y + 23/5
y = - 5/3x + 23/3
Step-by-step explanation:
SEE BELOW FOR STEPS
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Renee Keller
30 January, 18:11
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x=4 and y=1
Step-by-step explanation:
Equation 1) 3x+8y=20
Equation 2) 5x+3y=23
Equation 1) 5 (3x+8y=20)
Equation 2) 3 (5x+3y=23)
15x+40y=100
15x+9y=69
(Take away 40y from 9y and 100 from 69)
31y = 31
y=1
Substitute y=1 into equation 1)
3x+8=20
(Take away 8 from both sides)
3x=12
(Divide by 3)
x=4
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