Hi,

Now just divide both sides of equation by -4.

Simplify:

Decimal form:

Hope this helps.
r3t40
Answer:
Javier's equation is not correct because the variable "a" should be multiplied by only and then added to
Step-by-step explanation:
Let
a------>is the tree’s age in years
we have that
-------> Javier's equation
we know that
The equation that represent the situation is equal to
Solve for a
Multiply by both sides
Javier's equation is not correct because the variable "a" should be multiplied by only and then added to
I believe it is 3x+21 but i could be wrong :/ my explaination is -3 • -X would be +3x because it was distributed and -3 • -7 would be +21
Speed=distance/time
distance=176km
time=2hr
speed=176km/2hr=88km/1hr
88kmph
Answer:
-19,-24,-29
192,768,3072
Step-by-step explanation:
for the first equation its going down by 5
for the second its multiplying by 4 everytime