A and D
To get x on one side you have to, in this case, add 3 to both sides. This is the addition property of equality
You’re answer would be x=7
Answer:
27 years
Step-by-step explanation:
21 × 2 = 42
42 - 15 = 27
Answer:
Step-by-step explanation:in a regular pentagon all angles are equal that means one of the triangles angle is 180-108=72
Answer:
No, it isnt a solution
Step-by-step explanation:
Even though it works for one equation, it doesnt work on the other. You have to have the solution work for both equations so that it can be a true solution. Hope this helps you understand!