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anzhelika [568]
2 years ago
5

Solve for y -9 = y + 8

Mathematics
2 answers:
Mumz [18]2 years ago
7 0

Answer:

y=−17

Step-by-step explanation:

−9=y+8

Flip the equation.

y+8=−9

Subtract 8 from both sides.

y+8−8=−9−8

y=−17

juin [17]2 years ago
6 0

<u>Answer:</u>

<em><u>y = -17</u></em>

<em><u></u></em>

<u>Explanation:</u>

Step 1: To solve this equation, subtract eight from both sides. This will isolate the variable (y) and allow us to find its value.

-9 = y + 8\\(-9 - 8) = y + (8 - 8)\\(-9 - 8) = y\\-17 = y

Step 2: Switch sides

-17 = y\\y = -17

Bonus Step: If you would like to double check that the variable (y) does in fact equal negative seventeen, substitute the value of the variable in the equation and solve.

-9 = y + 8\\-9 = -17 + 8\\-9 = -9 [true]

Therefore, the value of y in the given equation is <em><u>-17.</u></em>

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