Answer:
x=12
Step-by-step explanation:
1+3x=37
First minus 1 on the left and right hand side.
1-1+3x=37-1
Whenever you move a number to the other side , the sign changes. For example, you need to move 8 to the right side. Then the sign changes from positive to negative -8.
3x=36
Divide by 3 for both sides.
x=12
Check the answer:
1+3(12)=37
37=37
Answer:
42
Step-by-step explanation:
So if the result of it is 31,
And it is 53 less you would add back 53
53 + 31 = 84
And it is twice a number so you divide by 2 (opposite of twice a number)
84/2 = 42
Answer:
200 questions on the final exam.
Step-by-step explanation:
38% = 76 questions, 100% = 2.63157894737 x 76 = 200
(100/38=2.63157894737 hence this is the answer)
Answer:
b
Step-by-step explanation:
-3-9 is not -6
Answer:
x = 113
Step-by-step explanation:
The corresponding angles in both triangles are congruent
Hence x = 113