ktenesaca0 ktenesaca0

02-07-2018
Mathematics

contestada

i need alot of help finshing this math questions

i need alot of help finshing this math questions class=

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secskoralynell secskoralynell

02-07-2018

For #7, the distributive property was used because (6-4x) was multiplied by 3 to get (18-12x).

For #8, first you move the 19 to the other side.
e+19=-19
-19=-19
e=-38
Since you move 19 to the other side, it changes to -19 and you do -19-19 which equals -38.

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