Asked Jan 22, 2019
check_circleExpert Solution
Step 1

We have

-7x +3[ x - 7(3 - 2x)]

Open tha small bracket and simplify, we get

= -7x +3[ x - 21 + 14x]

= -7x +3[15x - 21]


Step 2

Now again open the bracket and simplify, we get


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Equations and In-equations