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Maths Puzzle
Numerical Ability
The absolute value of 5 is ?
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using -1 as a factor (divide)
-a+3
______ =
2a-6
thanx
Solve each linear system by substitution.
a) x+2y=6
4x+3y=4
b) x+5y=11
4x-y=2
c) x-7=y
1
- x-1=y
4