Answer:5
Step-by-step explanation:
B. The variable d represents an unknown number. So, 21+d, is equal to 21+an unknown number.
Answer:
(3x+2)(2x-5)
Step-by-step explanation:
you can use process of elimination on this one just distribute the equations:
3x(2x-5)+2(2x-5)
6x^2-15x+4x-10 <------ Combine like terms
6x^2-11x-10
Answer: x= 2/3 - 1/3y
Explanation step by step:
Step 1: Move variable to the right hand side and change its sign.
3x = 2-y
Step 2: divide both sides of the equation by 3.
x= 2/3 - 1/3y