4) If (7-3)? x 7X+4 = 77, find the value of x.
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Answer:
(7-3) x 7X+4 = 77
Step-by-step explanation:
(7-3) x 7X+4 = 77
4×7x+4=77
28x+4=77
x+4=77÷28
x+4=11/4
x=11/4-4
x=11/4-16/4
x=-5/4
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