Answer: r=9
Step-by-step explanation: 54/6=9
Answer:
A linear algebraic equation is nice and simple, containing only constants and variables to the first degree (no exponents or fancy stuff). To solve it, simply use multiplication, division, addition, and subtraction when necessary to isolate the variable and solve for "x". Here's how you do it: 4x + 16 = 25 -3x =
500-4x=232500-232=4x268=4x268/4=x67=x
Let r represent reptiles
210=3r-120
330=3r
110=r
110 reptiles