Question

(x+1)+(x+1)+(x+1)+(x+1)+(x+1)=55

trình vày giúp tui zới

Answer 1

\(\left(x+1\right)+\left(x+1\right)+\left(x+1\right)+\left(x+1\right)+\left(x+1\right)=55\)

\(x+1+x+1+x+1+x+1+x+1=55\)

\(5x+5=55\)

\(5x=55-5\)

\(5x=50\)

\(x=50:5\)

\(x=10\)

Answer 2

TL:

X=10

Vì (10+1)+(10+1)+(10+1)+(10+1)+(10+1)=55

@hiếu

~HT~