Question

Brain Teaser:
Help me decode " 9 X Y Z P 1 Q 2 R 3"
Using the following equations;
a)16 X - 35 = 7 X -8
b) 6Y-7/3Y+9 = 1/3
c) Z² - 9/ 5+ Z² = (-5)/9
d) 4(Q+4) = 5(Q+4) = 5(Q+2)
f) 3(R+10) + 200 = 236

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*I will mark your answers the brainliest!!!

Answer 1

a).

16x - 35 = 7x-8
9x = 27
x = 3


b).

6y-7 / 3y + 9 = 1/3

6y-7 / 3(y+3) = 1/3

6y-7 / (y+3) = 1

6y-7 = y+3

y = 2


c).

Z² - 9/ 5+ Z² = (-5)/9

2Z^2 = 9/5 - 5/9

2 Z^2 = 81-25/45

z^2 = 56 / 90

Z = √ 28/45


d).



oh 4(Q+4) = 5(Q+2)

4Q + 16 = 5Q + 10

Q = 6



e).


3(R+10) + 200 = 236

3R + 30 + 200 = 236
3R + 230 = 236

3R = 6

R = 2