He buyed 240 cards because
20
x
12
-----
40
+
20
-------
240
Answer:
x _ a
Step-by-step explanation:
because if a is zero .then they should be subtraction
<h2>
Answer:</h2>
x = 1, -4
Step-by-step explanation:
Find the roots of x:
2 + 3
x − 4 = 0 by solving for x
.
Answer:
yes
Step-by-step explanation: