x-y=6and x+y=8 find the value of x
Answers
Answered by
1
Answer: Tip: Simultaneous equations
Step-by-step explanation:
y=6-x and y= 8-x
6+x=8-x
re arrange
2x=14
x=7
Answered by
1
Step-by-step explanation:
x=6+y 1
x=6+y
so
6+y +y=8
6+2y=8
2y=8-6
2y= 2
y=2/2
y=1
from 1
x=6+y
y=1
x=6+1
x=7
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