Question

5(x + 2) = 4(3 – x) + 7

Answer 1

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5(х+2)=4(3-х)+7

5х+10=12-4х+7

5х-4х=12+7-10

1х=9

х=9/1

х=9
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Ответ:9

Answer 2

5x + 10=12-4x+7
5x+4x=12+7-10
9x=9
x=9:9
x=1