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3 years ago

C(x-2)-5=b(x-3), solve for x

Mathematics

1 answer:

xeze [42]3 years ago

6 0

Answer:

x = (2c - 3b + 5) / (c - b).

Step-by-step explanation:

c(x - 2) - 5 = b(x - 3)

cx - 2c - 5 = bx - 3b Bring the terms in x to left side:-

cx - bx - 2c - 5 = -3b Bring other terms to right side:-

cx - bx = 2c - 3b + 5

x(c - b) = 2c - 3b + 5 Divide both sides by c - b:-

x = (2c - 3b + 5) / (c - b).

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4 years ago

What is the solution of y ? 4x = 0 and 3x + 6y = 9? A. `x= 0`, `y= (3)/(2)` B. `x= (1)/(3)`, `y= (4)/(3)` C. `x = 1`, `y = -1` D

lozanna [386]

Answer:

A. `x= 0`, `y= (3)/(2)`

Step-by-step explanation:

Dividing the first equation by 4 gives ...

x = 0

Substituting that into the second equation gives ...

3·0 +6y - 9

y = 9/6 = 3/2 . . . . divide by 6, reduce the fraction

The solution of the set of equations is ...

x = 0, y = 3/2

_____

The question here asks "what is the solution of y ?". That answer is y = 3/2.

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3 years ago