Question

F)2x+12*+90*+2x+10*=180*
G) 4x+20* = 2x + 60*

Answer 1

F )

2x+12+90+2x+10=180

4x+112=180

4x=180−112

4x=68

X = 68 / 4

X = 17

G )

4x+20 = 2x + 60

4x=2x+60−20

4x=2x+40

4x−2x=40

2x = 40

x = 40 / 2

x = 20