x+78=91 5x+28=48
x÷5=7.5 8x÷5=1.6
0.9x﹣6.2=10
2.4÷x=4.8
x﹣6.7+3.3=10.2
2.8x﹣x=9.9
3(x+4.8)=16.5
*4.8x﹣1.25×4=4.6