Answer:
-5x+7y+7
Step-by-step explanation:
3х + 9y - 8x - 2y +7 can be written like the equation below to help solve it
3x-8x+9y-2y+7
=-5x+7y+7
X= -5 because you divide -5x by -5 to get x alone so you have to 25/-5 which is -5
Answer: rational
a rational number is a number that can be expressed by a quotient or a fraction
