exam
Maths Puzzle
Numerical Ability
1)-4x^2+5x+4-4x^2+5x-1 (3) -2(4-4)=0
=10x+3
2)3n-6-1=-5n-5
8n=2 implies n=1/4
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exam Other Question
simplify.
2+1/2 divided 2-1/3
Solve using addition and multiplication principals.
5 + 4x < 21
The solution set is {x/x ??}
Solve the following system of equation
x + 4y = 2 (1)
x = 7 -4y (2)
What is the soltution of the system?