3/5:2x=1.6:8

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3/5:2x=1.6:8

3/5:2x=1.6:8
3/5:2x=1.6:8

3/5:2x=1.6:8
3/5:2x=1.6:8
3:10x=8:40
x=2/3

0.4x - 3.8 = 7.4 0.4x = 7.4 + 3.8 0.4x = 11.2 x = 11.2 ÷ 0.4 x = 28 1.6 × 5 + 2x = 12.6 8 + 2x = 12.6