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Moses Kaiser
Mathematics
3 December, 06:07
What is the subsitution for 2x=12 & x-5y=-29
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Alfie
3 December, 06:26
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Answer: (6, 7) x = 6
y = 7
Isolate x in the first equation.
2x = 12 Divide by 2 to both sides
x = 6 Isolated x!
Substitute in (6) for x in the second equation.
(6) - 5y = - 29 Remove parenthesises
6 - 5y = - 29 Subtract 6 from both sides
-5y = - 35 Divide by - 5 to both sides
y = 7 Isolated y!
With x = 6 and y = 7:
(6, 7)
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