Question

$10x + (12 - x) = x + 10(12 - x) + 18$
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Answer 1

Step-by-step explanation:

10x+(12-x)=x+10(12-x)+18

10x+12-x = x+120-10x+18

9x+9x = 138-12

18x = 126

x = 7

Answer 2

Answer:

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