Question

Question 4 (1 point)

What is the solution to the equation 3(2x + 5) = 3x + 4x?
a
x = 0

b
x = 4

с
x = 15

d
x= 5

Answer 1

x=15

Explanation:

3(2x+5)=3x+4x

6x+15=3x+4x. *multiplied parentheses by 3*

15=3x+4x+-6. *moves all x to one side*

15=× * added

x=15