Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
x=2
Answer:
A number, such as 10 is a composite number because it is even.
Answer:
10 units
Step-by-step explanation:

Answer:
x = 200
Step-by-step explanation:
Given
x -
y = 30 ← substitute y = 15 into the equation
x -
× 15 = 30 , that is
x - 10 = 30 ( add 10 to both sides )
x = 40 ( multiply both sides by 5 to clear the fraction )
x = 200