please answer this question for me
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1
a=7x
and b=5x
ten years later=a=7x+10 and b=5x+10
so,7x+10+5x+10=9x+7x
12x+20=16x
20=16x-12x
20=4x
20/4=x
5=x
and b=5x
ten years later=a=7x+10 and b=5x+10
so,7x+10+5x+10=9x+7x
12x+20=16x
20=16x-12x
20=4x
20/4=x
5=x
Answered by
1
here is the answer and your answers is 5
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