1 year ago

What is the solution

Mathematics

1 answer:

gladu [14]1 year ago

8 0

Answer:

3x-1/4=-5/11
11 (3x-1)=4 (5)
33x-11=20
33x=20+11
33x=31
x=31/33
x=?

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$\therefore \: y = kx..(1) \\ (k = constant \: of \: proportionality) \\ at \: y = 21 \: and \: x = 7 \\ 21 = k \times 7 \\ k = \frac{21}{7} = 3 \\ plugging \: k = 3 \: in \: equation \: (1) \\ y = 3x..(2) \\ plugging \: \: y = - 5 \: in \: (2)\\ - 5 = 3x \\ x = \frac{ - 5}{3} \\ \: \: \: \: \: \: \huge \red{ \boxed{x = - \frac{5}{3} }}$