SOLUTION: Together Thelma and Salma have 17 pens. If Hina has 3 more pens than Salma, how many pens does Salma have?

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Question 163140: Together Thelma and Salma have 17 pens. If Hina has 3 more pens than Salma, how many pens does Salma have?
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!

number of pens
S=x
H=x%2B3
So,
x%2Bx%2B3=17
2x=17-3=14
cross%282%29x%2Fcross%282%29=cross%2814%297%2Fcross%282%29
x=7pens, for Salma
7%2B3=10pens, for Hina
check,
10%2B7=17pens Total
thank you,
Jojo