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Maths Puzzle
Numerical Ability
Where do you put the parentheses to make to following equation =15?
14+5-10/2*7-2-3=15
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wondering if you can help me with these problems
Solve for x
2(x-3w)=3(x+w)
x -a = x + 4 +4b
x+5/7=8/9 i have tried subtracting to get my answer. it is very comfusing. i have also tried adding. i don't know if what i get is write or wrong.(the / stands for a fraction)