Question

14x - 5y + 3z - 14 from -2x + 15 y + 7z-12​

Answer 1

Answer:

Step-by-step explanyou know that 8x = 5y

you know that 3y=14z

since 5 = (5/3)*3, 5y = (5/3)*(3y) so,

5y = (5/3)(3y) = (5/3)(14z) = (70/3)z

now you have 5y, which is the same as 8x. You want 12x.

since 12 = (3/2)*8, 12x = (3/2)*8x.

12x = (3/2)(8x) = (3/2)(5y) = (3/2)(70/3)z = (70/2)z = 35z

Can you step in and help me understand where you got (3/2) in the second expression

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