What is the value of a in the equation 3 a plus B equals 54 will be equals nine

a = -15

Step-by-step explanation:

3a + b = 9

b=54

3a + 54 = 9

3a = 9-54

3a= -45

- x + = -

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

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