2 answers:
Y=2−3x 2 Substitute y = 2 − 3 x y=2−3x into x + y = 7 x+y=7. − 2 x + 2 = 7 −2x+2=7 3 Solve for x x in − 2 x + 2 = 7 −2x+2=7. x = − 5 2 x=− 2 5 4 Substitute x = − 5 2 x=− 2 5 into y = 2 − 3 x y=2−3x. y = 19 2 y= 2 19 5 Therefore, x = − 5 2 y = 19 2 x=− 2 5 y= 2 19
Answer:
x=-2.5,y=7.5
Step-by-step explanation:
Solution,
3x+y=2.....(1)
x+y=7
or,y=7-x......(2)
Now,by putting the value of y from equation 2 to equation 1,we get
3x+y=2
or,3x+(7-x)=2
or,3x+7-x=2
or,2x+7=2
or,2x=2-7
or,2x=-5
or,x=-5/3
or,x=-2.5
Again,
by putting the value of x in equation 2,we get
x+y=7
or,-2.5+y=7
or,y=7+2.5
or,y=7.5
<em>I </em> <em>HOPE</em> <em> THIS</em> <em> WILL</em> <em> HELP</em> <em> U</em>
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