<span>3x+4=y+5, then y+5=3x+4
It is called: reflexive property
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</span>
<span>x = y and y = 10, then x = 10
It is called: equality substitution property
</span>
Hello,
I suppose equations are:
x+y=3 (1)
x+2y=9 (2)
(2)-(1)==>y=6
(1)==>x=3-6
x=-3, y=6
Sol={(-3,6)}
6p^3+29p^2+22p-21 i believe!
The library is 5280 yards from the post office
Answer:
The normal ticket price is 
Step-by-step explanation:
Let
x------> the normal ticket price
we know that
The linear equation that represent this situation is

Solve for x


