Duihf6ionvdstb
Duihf6ionvdstb
17-04-2017
Mathematics
contestada
Bx-6y=18 and 2x-3y=9, b is constant
Respuesta :
MrQuizzical
MrQuizzical
17-04-2017
2
x
-3
y
=9
B
x
-6
y
=18
These two equations are equivalent. To find the relationship between the two equations, divide two of the same terms.
19/9=2
6
y
/3
y
=2
The second equation is twice the size of the first equation. Multiply 2
x
by 2 to find what B is.
2
x
*2=4
x
The B in
B
x
-6
y
=18 is 4.
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