add 3x + 11 and 7x - 5
Answers
Answered by
97
Step-by-step explanation:
(3x + 11) + (7x - 5)
3x + 11 +7x -5
10x + 6
Answered by
60
Step-by-step explanation:
(3x +11) = (7x-5)
3x - 7x = -11-5
-4x= -16
4x =16
x =4
so 3×4+11+7×4-5
12+11+28-5
51-5= 36
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