Question 1016627
19 -(4m+6) = 2 +4m -13
:
19 -4m -6 = 2 +4m - 13 
:
13 -4m = 4m -11
:
24 -4m = 4m
:
8m = 24
:
m = 3
:
substitute for m in the first equation
:
19 -(4(3) +6) = 2 +4(3) -13
:
19 -(12 +6) = 2 +12 -13
:
19 -18 = 1
:
1 = 1
:
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