11/2÷ 0.4=1.35÷ x;12+3(x-1)=18;5x+1=3+3(1-x);x÷ 48=24÷ 32;x÷ 2.6=2.88÷ 15.6

11/2÷ 0.4=1.35÷ x;12+3(x-1)=18;5x+1=3+3(1-x);x÷ 48=24÷ 32;x÷ 2.6=2.88÷ 15.6


11/2÷ 0.4=1.35÷ x;11/2x=1.35×0.45.5x=0.54x=27/27512+3(x-1)=18;12+3x-3=183x=9x=35x+1=3+3(1-x);5x+1=3+3-3x8x=5x=5/8x÷ 48=24÷ 32;32x=24×482x=24×3x=36x÷ 2.6=2.88÷ 15.615.6x=2.88×2.612x=2...



5x = 1.5-18 to solve the equation


5X=-16.5
X=-3.3



5x-1.5x + 7 = 49


5x-1.5x+7=49
〔5-1.5〕x=49-7
3.5x=42
x=12
Hope to adopt