Answer:
x = 4.7
Step-by-step explanation:
30x - 140 -(x - 4)
Multiply the -1 into (x - 4)
30x - 140 - x + 4
Add/subtract
29x - 136 = 0
+136
[tex]29x = 136[/tex]
[tex]\frac{29x}{29} = \frac{136}{29}[/tex]
[tex]x = 4.689655172413793[/tex]
