maddied2443
20.09.2020 •
Mathematics
45 + 4x = 6x + 5
I don't understand how to do it can you pleas help put??
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Ответ:
x=20
Step-by-step explanation:
45+4x=6x+5
45=2x+5
40=2x
20=x
x=20
Ответ:
x = 20
Step-by-step explanation:
45 + 4x = 6x + 5
45 - 5 =6x - 4x
40 = 2x
x = 40/2
x = 20
Check:
45 + 4*20 = 6*20 + 5
45 + 80 = 120 + 5 = 125
Ответ:
1.b
2.a
3.d
4.b
5.d
6.b