Step by step how do I solve system of three linear equations in three variables by means of a combination of substitution and addition elimination
2x-y +3z=-14
4x+2y-z=12
6x-3y+4z=-22
I don't understand which two I add or subtract

step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl

5/20 so 25%

step-by-step explanation:

the real question is why is this guys last name heavyfoot

step-by-step explanation: