document.write( "Question 1168453: If three times a boy’s age is increased by 3, it will equal his sister’s age. The sum of their ages now is 23. How old are the boy and his sister? Let x = boy’s age. 3x + 3 = sister’s age.
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\n" ); document.write( "If three times a boy’s age is increased by 3, it will equal his sister’s age. The sum of their ages now is 23. How old are the boy and his sister? Let x = boy’s age. 3x + 3 = sister’s age.
\n" ); document.write( " $\"+x+%2B+%283x+%2B+3%29+=+23+\"$
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As requested, x = boy's age
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document.write( "Sister's age: 3x + 3
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document.write( "We then get: x + 3x + 3 = 23 <==== You do have this!!
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document.write( "Can't you solve for x, the boy's age? \n" );
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