20-9.80=?
5.-2.60=?
Find out. Solve them.
Answer:
a = ±23
Step-by-step explanation:
Albert Einstein was a German mathematician and physicist who developed the special and general theories of relativity.
the question is not precise... sold each dozen or each egg?
clarify
2x+3=5
Subtract 3 both sides
2x=5-3
Simplify
2x=2
Divide 2 each side
X= 2/2
Evaluate
X=1
Now second part
2x+3=-5
2x=-5-3
2x= -8
X=-8/2
X=-4
So x= 1,-4
