Question

2x supra 9=10
X=?
Repedeeee!Multumesc anticipat

Answer 1

$\frac{2x}{9} =10 \\ \frac{2x}{9} = \frac{90}{9} \\ 2x=90 \\ x= \frac{90}{2} \\ x=45$

Answer 2

2x/9 =10
2x/9=10/1
1*2x/9 =10
1*2x=10*9
2x=10*9
2x=90
x=90:2
x=45