Question

6. Add using the column method.
(1) ax +by - 2ez, 4by - 7cz, 12 ax - 5y +3cz and 10ax -5cz
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Answer 1

Step-by-step explanation:

ax + by - 2cz

12 ax - 5by + 3cz

10 ax. - 5cz

= 23 ax - 4y - 4cz

Hope it helps! :)