Answer:
x=-3
Step-by-step explanation:
-7-4(2x-1)=21
-7-8x+4=21
-7+4-8x=21
-3-8x=21
8x=-3-21
8x=-24
x=-24/8
84 is a solution.
To find out if 84 is a solution or not, we plug in the value and simplify.
Therefore, 84 is a solution.
-4
2/5 times -10 = -4
id