exam Maths Puzzle Numerical Ability

rind the fraction form for the repeating decimal 0.4444

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exam Other Question

I am so clueless when it comes to Algebra. How could i solve this?

y = -2x – 9


x y
-2
-1
0
1
2
add rational expression with common denomiation

-8z-2u/-7z - 9z-9u/7z