Answer:
40 I think
Step-by-step explanation:
75+40x=40 I think
the answer i think its 8 not sure
Step-by-step explanation:
the cost of 8 books at $4 each
=》8 × 4 = $ 32
the cost of x books at $4 each
=》x × 4 = $ 4x
the cost of 5 books at $x each
=》5 × x = $ 5x
Answer:
1.) x=7
2.) x=-1
Step-by-step explanation: