3 years ago

Simplify 22 + 6(3) – 7 and 5x − 2y + 3z − 2x − y + 4z

Mathematics

1 answer:

sergey [27]3 years ago

6 0

$22+6(3)-7=22+18-7=40-7=33$

$5x-2y+3z-2x-y+4z\qquad|\text{combine like terms}\\\\=(5x-2x)+(-2y-y)+(3z+4z)=3x-3y+7z$

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