Question

If x = 1 + 2t, y = 6 + t and z .=-1-2t find the value of 't' when 2x + y - 2z = 19

Answer 1

Answer:

Step-by-step explanation:

2x= 2(1+2t) = 2 +4t

y= 6+t

2z = 2(-1 - 2t) = -2 -4t

so in 2x + y - 2z = 19 the value of t is

2 +4t + (6+t ) - (-2 -4t) = 19

2 + 4t +6 + t + 2 + 4t = 19

10 + 9t = 19

9t = 19 - 10

9t = 9

t = 9/9

t = 1

hope it helped :D

Answer 2

Answer:

2(1+2t) +(6+t) -2(-1-2t)= 19

2+4t+6+t+2+4t = 19

9t= 19-10

t = 9/9=1