Respuesta :

10x-15+20=35 *expand brackets
10x+5=35. *you do -15 +20
10x=30. *you minus 5 on both sides
X=3 *divide 10 on both sides

Distrubute 5 through the (....)

10x-15+30=35

Calculate the Sum

10x+5=35

Move constant to the right side and change the sign

10x=35-5

Subtract the number

10x=30

Divide both sides by 10

x=3