
Home > CAAC > Chapter 2 > Lesson 2.2.2 > Problem 2-104
2-104.
Write the equation. 3x + (−1) − 1 = x + (−3) − 5
One strategy is to flip all of the subtraction terms into the addition area and then simplify.
3x + (−1) + (−1) = x + (−3) + (−5)
3x + (−2) = x + (−8)
x = −3
Rewrite the equation with the known value of x substituted in for x.