3) 70 = 2x-10
80 = 2x
x =40
4) 4x = 180 - 60
4x=120
x = 30
5) 4x+40=120
4x =80
x = 20
SEMOGA BERMANFAAT :)
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3) 70 = 2x-10
80 = 2x
x =40
4) 4x = 180 - 60
4x=120
x = 30
5) 4x+40=120
4x =80
x = 20
SEMOGA BERMANFAAT :)