Following are the calculation to the given expression:
Given:
[tex]8(-10x+3.5y-7)[/tex]
To find:
solve expression=?
Solution:
[tex]\to 8(-10x+3.5y-7)\\\\\to -80x+28y-56\\\\[/tex]
Or
[tex]\to 8(-10x+3.5y-7)\\\\\to 8(-10x+\frac{35}{10}y-7)\\\\\to -80x+ 8 \times \frac{35}{10}y- 8\times 7\\\\\to -80x+ 4 \times \frac{35}{5}y-56\\\\\to -80x+ 4 \times 7y-56\\\\\to -80x+ 28y-56\\\\[/tex]
Learn more:
brainly.com/question/12827759
