Question

Simpliest expression for (12.7y-3.1x)+5.9y-(4.2y-x)

Answer 1

-2.1x +14.4y

Explanation:

Use the distributive property to eliminate parentheses. Then combine like terms.

(12.7y-3.1x)+5.9y-(4.2y-x)

= 12.7y -3.1x +5.9y -4.2y +x

= x(-3.1 +1) +y(12.7 +5.9 -4.2)

= -2.1x +14.4y