x+y =13 if y=18then find the value if x?
- 3
- 5
- -5
- none
Explanation
x+y =13 if y=18 then x is -5
**
x+y =13
y=18
x + 18 = 13
x = 18-13
x= -5
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x+y =13 if y=18 then x is -5
**
x+y =13
y=18
x + 18 = 13
x = 18-13
x= -5
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