Question

Which of the following equations is equivalent to x + y = 10?

Answer 1

x + y - 10 = 0

Explanation:

x + y - 10 = 10 -10

Move the constant to the left by adding its opposite to both sides

x + y - 10 = 0

The sum of two opposites equals 0

x + y - 10 = 0

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Solution