(9.7 + 2x) △ 2 = (5.5 + 5x) △ 3 equation

(9.7 + 2x) △ 2 = (5.5 + 5x) △ 3 equation

You can multiply 6 on both sides of the equation
3*(9.7+2X)=2*(5.5+5X)
29.1+6X=11+10X
4X=18.1
X=4.525
Of course, it can also be carried out separately