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Maths Puzzle
Numerical Ability
Simplify: 4x>2+12x+xy+3y divided by x>3+27
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Im stuck on what to do after this part. please help! thanks!
2(x-2)=2+10
2x-4=2x+10
how do i slove a system by subtitution?..specifically this problem
y=x-2
y=2x