Question

Cum se poate rezolva ? (X×3+47)-315=146

Answer 1

[tex](x*3+47)-315=146\\ (x*3+47)=146+315\\ x*3+47=461\\ x*3=461-47\\ x*3=414\\ x=414:3\\ x=138[/tex]

Answer 2

X*3+47=146+315
X*3+47=461
X*3=461-47
X*3=414
 X=414:3
 X=138
 * inseamna ori