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Tpy6a [65]
3 years ago
8

Y = r + 1 4y = 40 + 4

Mathematics
2 answers:
andrew-mc [135]3 years ago
7 0

Answer:

r = 10

y = 11

Step-by-step explanation:

4y = 40 + 4

4(r + 1) = 40 + 4

4(r) + 4(1) = 40 + 4

4r + 4 = 40 + 4

4r + 4 = 44

4r + 4 - 4 = 44 - 4

4r = 40

4r ÷ 4 = 40 ÷ 4

r = 10

-----------------------------------------

y = r + 1

y = (10) + 1

y = 11

-----------------------------------------

4y = 40 + 4

4(11) = 40 + 4

4(11) = 44

44 = 44

strojnjashka [21]3 years ago
5 0

Answer:

Step-by-step explanation:

Move all terms that don't contain

x

to the right side and solve.

x

=

20

−

2

y

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