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5x-15-2x-2 = x+3
5x-2x-x = 3+15+2
2x = 20
x = 20 ÷ 2
x = 10
a. 3x -17 = x+3
3x-x = 3+17
2x = 20
x = 20 ÷ 2
x = 10
b. 3x = x+20
3x - x = 20
2x = 20
x = 20÷2
x = 10
c. 3x = x+16
3x - x = 16
2x = 16
x = 16÷2
x = 8
d. x = 10
brarti yg tdak ekuivalen adlah c
maaf kalau salah.. ini jawaban saya :)