exam
Maths Puzzle
Numerical Ability
Can you please help me solve?
2x-3y=13
x+y=-1
2x-3y=13
3x+3y=-3
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5x=12
x=12/5
= 2.4
x+y=-1
2.4+y=-1
y=-1-12/5
=-17/5
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5a+5b divided by 5a+10