<span>3+6 =9 so ? has to equal 5. so 3+6=4+5 </span>
Answer:
ok
Step-by-step explanation:
Answer:
infinitely many solutions
Step-by-step explanation:
1) distribute 9 to each term inside parenthesis on left side of equation
18x+90=2(9x+45)
2)now distribute 2
18x+90=18x+90
these equations are exactly the same! this means that this equation has infinitely many solutions
Hope this helps!