Question

a+b, 2a-b, 3a-b
THE ANS IS 6a - b BUT HOW?EXPLAIN STEP-BY-STEP

Answer 1

Step-by-step explanation:

$\implies$ $\sf{ a+b+2a-b+3a-b}$

group the like terms

$\implies$ $\sf{ a+2a+3a\ \bcancel{+b}\ \bcancel {-b} -b}$

$\therefore$ $\boxed{\sf{ 6a - b }}$

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Answer 2

Step-by-step explanation:

view this pic for answer