5x+4 + 7x+4= 56 how 56 come here
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Answered by
1
put x =4,
5×4+4+7×4+4
20+4+28+4
24+32
56
5×4+4+7×4+4
20+4+28+4
24+32
56
Answered by
0
Answer:
Step-by-step explanation:
5x+ 4 +7x +4 = 56
12x + 8 =56
12 x = 56 - 8
12 x = 48
x = 48 / 12
x= 4
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