Mathematically written:
3 * x + 7 = 25
3x + 7 = 25
3x = 25 - 7
3x = 18
x = 18 / 3
x = 6
Proof:
3 * 6 + 7 = 25
18 + 7 = 25
25 = 25 → both sides of the equation are equal, our answer is correct
Notes:
A number - Is an unknown number, called a variable, which in this case is substituted by the letter x.
Hope it helped,
BioTeacher101
Answer:
12
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
A is false because y-intercept is (0,0)
C is false because x-intercept is (0,0)
D is false because domain is all real numbers
E is false because range is all real numbers
F (see B)
Answer:
Step-by-step explanation:
Nose
A) 144/4 = 36 metres per side
b) 18*3 = 54
54+54+18+18= 144 metres
dimensions would be 54 by 18
