Alberto uses the steps below to solve the equation
which justifies step 6 of his work?
co¢
* - 3 = 7.
o
the addition property of equality
the identity property of addition
the multiplication property of equality
the identity property of multiplication
step 1: x - 3 + 3 = 7 +34
step 2: 5x + 0 = 10
step 3: { x = 10
step 4: 2()x = 2(10)
step 5: 1x = 20
step 6: x = 20
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answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

8

step-by-step explanation:

b

step-by-step explanation:

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step-by-step explanation:

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