0.45*198 5.4*102 1.83*2.6+1.83*7.4 1.25*2.5*3.2 solve equations: 3X+12.5*2=85 (X-8)/2.4=12 8(X-7)=24 34X-5X+48=106 Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step`

0.45*198 5.4*102 1.83*2.6+1.83*7.4 1.25*2.5*3.2 solve equations: 3X+12.5*2=85 (X-8)/2.4=12 8(X-7)=24 34X-5X+48=106 Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step` Elementary school simple calculation and solving equation step by step`

3X+12.5*2=85
3X=85-25
3X=60
X=20
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