Answer:
9x + 3
Explanation:
given: 1x - 7 + 8x + 10
like terms: 1x + 8x - 7 + 10
solution: 9x + 3
some people might be confused about "1x + 8x - 7 + 10" bolded part. the minus sign beside 7 would become (-7), so adding (-7) + 10 will = 3
9x+3
First join the x terms, and you will find 9x (1x+8x), then join the numbers, and you get 3 (-7+10)
Hope it helps!
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