exam
Maths Puzzle
Numerical Ability
"Find three consecutive even numbers whose sum is -90"
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exam Other Question
What is -y + 10 = 25? I did:
-y + 10 = 25
-25 -25
-y = -15
-1(-y) = -1(-15)
y = 15
Am I right?
slove algebraically 5^2x+1=48