9x+27=812.5x-12=460.5X(7x+28x)=14.7(4x-4.8)÷4=12442.2X2-5.8x=32.2

1. 9x+27=81
9X=81-27=54
X=54/9
2. 2.5x-12=46
2.5X=46+12=56
X=22.4
3. 0.5X(7x+28x)=14.7
7X+28X=29.4
35X=29.4
X=0.84
4. (4x-4.8)÷4=124
4X-4.8=124*4=496
4X=500.8
X=125.2
5. 42.2X2-5.8x=32.2
5.8X=42.2*2-32.2=52.2
X=9

9x+27=81 9X=54 X=6

2.5x-12=46 2.5X=58 X=23.2

0.5X(7x+28x)=14.7 35X=29.4 X=0.84

(4x-4.8)÷4=124 4X =500.8 X=125.2

42.2X2-5.8x=32.2 5.8X=52.2 X=9

9x+27=81
9x=54
x=6
2.5x-12=46
2.5x=58
10x=232
x=23.2
0.5X(7x+28x)=14.7
35x=29.4
x=0.84
(4x-4.8)÷4=124
x-1.2=124
x=124+1.2
x=125.2
42.2X2-5.8x=32.2
5.8x=84.4-32.2
5.8x=52.2
x=9

9x+27=81 x=6
2.5x-12=46 x=23.2
0.5X(7x+28x)=14.7 x=0.84
(4x-4.8)÷4=124 x=125.2
42.2X2-5.8x=32.2 x=9