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Maths Puzzle
Numerical Ability
3x+2(5x-7)
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i want to ask what is the answer of the following;
1.4y-{13x-(14y-2x}
2.5y-{18x-(5y+12x}
3.-{8x-[14y-(5-6x)-2]}
4.-4(x-3y)-(3x+5y)-(6-8y)
I need help with understanding the word twice in these problem. Thank you.
two more than twice a number
three less than twice a number