Question

x+2=7
2x+4=9+9 URGENT​

Answer 1

Explicație pas cu pas:

X=7-2

X=5

2x+4=18

2x=14

X=14:2

X=7

Answer 2

$\it x+2=7 \Rightarrow x=7-2 \Rightarrow x=5\\ \\ 2x+4=9+9 \Rightarrow 2x+4=18 \bigg|_{-4}\Rightarrow 2x=14\bigg|_{:2} \Rightarrow x=7$