Answer:
y = 8
Step-by-step explanation:
Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
PEMDAS is the order of operations, and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
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First, add 5 to both sides of the equation:
7y - 5 = 51
7y - 5 (+5) = 51 (+5)
7y = 51 + 5
7y = 56
Next, divide 7 from both sides of the equation:
(7y)/7 = (56)/7
y = 56/7
y = 8
8 is your answer for y.
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