Question

2x - 5 = 10 AJUDA EU LOGO TENHO PROVA
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Answer 1

2x-5=10

2x=10+5

2x=15

x=15/2

x=7,5

Answer 2

$2x - 5 = 10 \\ 2x = 10 + 5 \\ 2x = 15 \\ x = 15 \div 2 \\ x = 7.5$