Question

Find the LCM:
(a) 4x - 20, 6x - 30

Answer 1

Answer:

4x-20=6x+30

We move all terms to the left:

4x-20-(6x+30)=0

We get rid of parentheses

4x-6x-30-20=0

We add all the numbers together, and all the variables

-2x-50=0

We move all terms containing x to the left, all other terms to the right

-2x=50

x=50/-2

x=-25

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Answer 2

Answer:

5, 5 is the answer of this question