Answer:
5
Step-by-step explanation:
Take the square root of both sides to get x by itself
x^2=25
x=sqrt 25
x=5
Step-by-step explanation:
1. substitution
2. subtraction
3. division
Answer:
15x^2 +32x -7
Step-by-step explanation:
(5x-1 )(3x+7)=
15x^2 - 3x +35x -7=
15x^2 +32x -7
Answer: 6x+8
Step-by-step explanation: the number, which is the letter can be any letter you want, that doesn’t matter. So when it says six times a number, I just used x as an example. Once you have that just add a +8 because increased means add.
Charles has 2/3 of bob
bob has 27
so 2/3*27 = 27 *2 = 54/3 = 18
Charles has 18
Jim has 3 times as many as Charles so he has 3 x 18 = 54
jim has 54 comic books