x=
34
/3 thats what I got 34/3=11.333333
substitution and elimination means that you need to use one equation and substitute it in place of some variable in the other equation.
Consider the above two equations.
Take equation 1, which is 4x-2y=22 => x=(22+2y)/4
substitute the x value gained above in equation 2.
so, 2((22+2y)/4)+4y=6
22+2y+8y=12 => 10y = -10 => y= -1.
Substitute y= -1 in x value obtained in the beginning.
So, x= (22 - 2)/4 => 5.
There fore, x= 5 and y= -1
Hope it helps.
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Step-by-step explanation:
9514 1404 393
Answer:
C. 13
Step-by-step explanation:
Put 4 where y is in the equation and do the arithmetic.
The answer is 42 in
the equation is... 3+3+3+3+6+6+6+12=42in
hope this helps!