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-4(0.25b-2) - (7 - b) + 3/2 (4b - 2/3)simply please

Sagot :

-4(0.25b-2) - (7 - b) + 3/2 (4b - 2/3)

We must open the parenthesis first by multiplying the elements in it be the elements outside

Bearing in mind that

- * - = +

- * + = -

-4(0.25b-2) - (7 - b) + 3/2 (4b - 2/3)

= -b - 8 -7 + b + 6b - 1

Now we rearrange so all like terms are together noting the signs before each term

= -b + b + 6b - 8 - 7 - 1

= 6b - 16

You may leave the answer in this form or go further to factorize

= 2 (3b - 8)