Answer:
5- 1:1.5
6- 24
Step-by-step explanation:
Answer:
both 2 and -2
Step-by-step explanation:
Substitute 4 for r(x) on the given equation.
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 is x=-12
To solve:
-3x=36
Step 1: Change -3x to 3x and 36 to -36.
3x=-36
Step 2: Divide both sides by 3.
3x/3=-36/3
So, the answer is x=-12.