aleb decreases a number by 6 and then multiplies it by 2. He gets the same answer as when he sul umber. What is the number? O 6- 2n = 8- n O 6(2 – n) = 8 - n O 2(n-6) = n-8 O 2n - 6 = n-8

Q: 9w2=12w+5

A:

Q: 5+6=x

A:

Q: 7x + 8y = 67  3x + 6y = 39

A: Solving system of equations means finding the value of the variable involved into the equation.

Q: 3b-12 = 30

A:

Q: D. (5x-22)*. (2x+35)*

A:

Q: 4(w-9)2+9=109

A: To solve the equation 4(w-9)2+9=109

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.