Ibing steps to solve a two-variable equation
ts to use all 62 feet of the fencing she has to make a rectangular run for her dog. shed
of the run 20 feet. she writes and solves the equation 2+2=67 to find the width of the ru
ements are true of the solution? check all that apply.
lue of w is 10 feet
lue of w can be zero.
lue of w cannot be a negative number.
ution is used to replace the variable z with a value of 20.
btraction property of equality is used to isolate the term with the variable w.

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

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step-by-step explanation: