You can do:
16 - 10 and then + 1 (thats 7)
9+ ? is 16 ? ( 7)
Answer:
Simplifying
5x + x = 54
Combine like terms: 5x + x = 6x
6x = 54
Solving
6x = 54
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '6'.
x = 9
Simplifying
x = 9
Step-by-step explanation:
C. triangle.
Pyramids are triangles to begin with you’re just making a smaller one
Answer: b
Step-by-step explanation: