Find the value of 5 x -3 y -6 z- when x -3- y -5 and z -4-A- 6B- 8C- 12D- 4

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Value of an Algebraic Expression

Find the valu...

Question

Find the value of $5 x + 3 y - 6 z,$ when $x = 3, y = 5$ and $z = 4.$

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5 x + 3 y - 6 z, w h e n x = 3, y = 5, z = 4

p + q + 3 r

w h e n p = 1, q = 5, r = 2

2 a + 4 b + 5 c

w h e n a = 5, b = 10, c = 20

3 a - 2 b

w h e n a = 8, b = 10

5 x + 3 y - 6 z

w h e n x = 3, y = 5, z = 4

\frac{x}{3} = \frac{y}{5} = \frac{z}{4} = \frac{5 x - 3 y + 4 z}{P}

P

z = \frac{5 x + 9 y + 4 z}{3 y + 6}

x = 1

y = - 1

x + 2 y + 3 z - 4 = 0 = 2 x + y - z + 5

5 x + 3 y - 6 z + 8 = 0

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