Mathematics, 17.12.2019 23:31, suselygonza

Hattie rewrote the equation as shown:

9n + 7 − 2n = 4(-n + 5) − 3n
9n + 7 − 2n = -4n + 20 − 3n

which property did she use to rewrite the equation?

a.
addition property of equality
b.
distributive property
c.
multiplication property of equality
d.
substitution property

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 22:30, emmanuelmashao5504

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

Answers: 1

continue

Mathematics, 21.06.2019 22:30, xhdud

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

Answers: 3

continue

Mathematics, 22.06.2019 00:30, s913823

How do i i solve this equation? -18 = x/3 + 3

Answers: 1

continue

Mathematics, 22.06.2019 00:40, seiglersteven99

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?

Answers: 1

continue

Do you know the correct answer?

Hattie rewrote the equation as shown:

9n + 7 − 2n = 4(-n + 5) − 3n
9n + 7 − 2n =...