How are algebraic expressions evaluated using substitution?

if you mean like you have a algebraic expression and they give you the values of the variables to substitute into the equation, then you just replace the variable with the value for instance

if x = 5

in the equation x + 3 =

then we would replace x with 5 and get 5 + 3 = 8

Step-by-step explanation:

the cat is blue because the probability of extension towards the prefix of the diameter of the circle could only mathematically equal to the sum of the roots of the carrots from   your garden.

step-by-step explanation:

i dont know

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