4.2x+17=27.5

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4.2x+17=27.54.2x+17=27.54.2x+17=27.54.2x+17=27.54.2x=27.5-174.2x=10.5x=2.58.2x-60=4.2x+208.2x-4.2x=2

4.2x+17=27.5
4.2x+17=27.5

4.2x+17=27.5
4.2x+17=27.5
4.2x=27.5-17
4.2x=10.5
x=2.5

8.2x-60=4.2x+20 8.2x-4.2x=20+60 4x=80 x=80/4 x=20 6(x-3.5)=17.8 x-3.5=17.8/6 x-3.5=89/30 x=89/30+3.5 x=89/30

4.2x+17=27.5
4.2x=27.5-17
4.2x=10.5
x=2.5