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Vlad1618 [11]
3 years ago
9

W + 1 = d and d = 3w solve by substitution

Mathematics
2 answers:
STALIN [3.7K]3 years ago
8 0

Answer:

Step-by-step explanation:

Given

w + 1 = d...........equation 1

d = 3w ...............equation 2

Now putting d = 3w in equation 1

w + 1 = 3w

3w - w = 1

2w = 1

w = 1 / 2

putting w = 1 / 2 in equation 2

d = 1 / 2 * 3

 = 3/2

Hope it helps :)

Gwar [14]3 years ago
7 0

Step-by-step explanation:

d = 3w

so... if we substitute value of d in eqn 1 then

w + 1 = 3w

or, 3w - w =1

w = 1/2

now..

d = 3* (1/2)

d= 3/2 ans..

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