the cost of a pen is equals to 2 X + 3 and the cost of a pencil = 2y - 3 find the cost of 5 pens and pencils
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Answer:
Five pens and pencils will cost 10x+10y
Step-by-step explanation:
[5(2x+3)]+[5(2y-3)]
open the brackets
[10x+15]+[10y-15]
10x+15+10y-15
collect like terms
10x+10y-15+15
10x+10y
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