5x-5=y
3x+2y=29
(substituition method)
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5x-5=y 3x+2y=29 (substituition method)
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Answer:
Step-by-step explanation:
5x-y=5 so 10x-2y=10 and y=5x-5.
3x+2y=29
Add the two equations: 13x=39, so x=3.
y=5x-5=15-5=10.
CHECK
Substitute for x and y in the original equations:
5*3-10=15-10=5 OK
3*3+2*10=9+20=29 OK
Answer:
x=3,y=10
Step-by-step explanation:
3x+2(5x-5)=29
3x+10x-10=29
13x=39
x=3
from 1
y=5x-5
y=5*3-5
y=15-5
y=10
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