Home > CAAC > Chapter 3 > Lesson 3.1.5 > Problem 3-49
3-49.
Flip subtraction to addition.
Add 2x to both sides.
Add 7 to both sides.
Divide by 4 on both sides.
2x + (−7) = −2x +1
4x + (−7) = 1
4x = 8
x = 2
See the hints in part (a).
Flip subtraction to addition.
Add 2x to both sides.
Add 7 to both sides.
Divide by 4 on both sides.
2x + (−7) = −2x +1
4x + (−7) = 1
4x = 8
x = 2
See the hints in part (a).