Answer:
0
Step-by-step explanation:
-2x+7=3
First you want to get the variable alone. To do that you need to subtract 7 from both sides
-2x+7(-7)=3(-7)
-2x=-4
Next you need to divide -2 on both sides to isolate the variable.
-2x/-2=-4/-2
-2/-2 is 0 and -4/-2 is positive 2 because a negative divided by a negative is positive.
x=2
Since x=2 you can plug in 2 into 5x-10 to get the final answer.
5(2)-10
10-10
0
