Answer:
-3
Step-by-step explanation:
Let x equal the mystery number
Our equation will be:
x - 5 = 1 + 3x
Subtract x from both sides
-5 = 1 + 2x
Subtract 1 from both sides
-6 = 2x
Divide both sides by 2
-3 = x
You can represent this problem by using the multiplication problem 5x4
Answer:
-10 / -5 / -1 / 0 / 1 / 5 / 10
Step-by-step explanation:
I hope this helps!
Can i see a picture of the triangle/ angle ?