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Anonymous
X + 3 = 10.
X + 3 - 3 = 10 - 3
X = 7
Double check your solution.
X + 3 = 10
7 + 3 = 10
10 = 10
So X + 3 = 10 when X = 7.
Wiki User
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-3+x=7. x=10
-7m + 20 = -17m - 1010m = -30m = -3
-13
m= -3
a = 4