Hey There!!
1. Expand
[tex]5z-20-z=4-20[/tex]
2. Simplify [tex]5z-20-z=4-20[/tex].
[tex]4z-20=4z-20[/tex]
3. Since both sides equal, there are infinitely many solutions.
Here's your answer.
Infinitely Many Solutions
Second question:
1. Cancel [tex]7x[/tex] on both sides.
[tex]5 = 11[/tex]
2. Since [tex]5=11[/tex]1 is false, there is no solution.
Here's your answer.
no solution
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