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6-143.
  1. Solve each equation below for the indicated variable. Show all steps. Homework Help ✎

    1. Solve for x: 2x + 22 = 12

    2. Solve for y: 2x − y = 3

    3. Solve for x: 2x + 15 = 2x − 15

    4. Solve for y: 6x + 2y = 10

x = −5

Add y to both sides of the equation.

How can you move 3 to isolate y on the right side of the equation?

If you subtract 2x from both sides of the equation, what kind of statement is left? Is there any value of x that will make this equation true?

y = 5 − 3x