Well,properties can help you because you can shorten or make an equation more understandable, like using distributive property in the example 2(5x-3), you can rewrite it as 10x-6. See?
Answer:
x=4
Step-by-step explanation:
3x=5x-8
3x-5x= -8
-2x= -8
x= -8÷-2
x=4
Answer:
a=-79/2=-391/2=-39.5
Step-by-step explanation:
a+45=11/2 subtract 45 from both sides
a=11/2-45 convert 45 to fraction 90/2
a=11-90/2 subtract 90 from 11 to get -79
