exam
Maths Puzzle
Numerical Ability
2p-q=2
2p+3q=22
Equation 1 2p-q=2 Multiply by 3 so, 6p-3q=6
6p-3q = 6
2p+3q = 22
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8p = 28/8
p = 3/8?? looks wrong from here.
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exam Other Question
x-5y=9
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?