Foundations of Math 1

Solve the equation.
78=-2(m+3)+m

A –28
B –42
C –72
D –84

asked by Kayla
  1. distributing ... 78 = -2m - 6 + m

    combining terms ... 78 = - m - 6

    multiplying by -1 ... -78 = m + 6

    subtracting 6 ... ?

    posted by Scott

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