Answer:
Step-by-step explanation:
multiplying by three because you want the denominator same as the other.
+
Add the numerators and keep the denominator the same - the denominator never gets added by the way. You only multiply them to get the denominators to equal
Hope this helps!
x=1
(7x-1)+(2x-1)=7
7x+2x-1-1=7
7x+2x=7+1+1
9x=9
9x/9 = 9/9