Five years ago a girl was one-half as old as her brother was then, and now she is three years younger than he is. What are their
2 answers:
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Answer:
Only one solution.
Step-by-step explanation:
1) Collect like terms.
2) Simplify to
.
3) Expand by distributing terms.
4) Collect like terms.
5) Simplify.
Therefore, the answer is x + 39 and there is only one solution possible.