Answer:
There are no like terms hence they stay the same
Step-by-step explanation:
x + (y + 9)
There are no like terms
=x+y+9
(x + y) + 9
There are no like terms
=x+y+9
Take a picture of the problem
Answer:
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Step-by-step explanation:
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Answer:
The value of x is 4 .
Step-by-step explanation:
Given as :
The two triangle is as
Let The smaller triangle = DEC
Let The larger triangle = ABC
The measure of side EC = a
The measure of side BC = x
∵ side BC = side EC (as both sides of triangle are equal)
So, x = a + a
i.e x = 2 a
From the figure shown it is clear that both triangles are similar
So, the ratio of triangles are equal
i.e =
or, =
Or, =
Or, 3 x - 5 = 7
Or, 3 x = 7 + 5
Or, 3 x = 12
∴ x =
i.e x = 4
Hence, The value of x is 4 . Answer