hernan99961
22.04.2020 •
Mathematics
1 + 4x = -5 + 7x
Help plz
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Ответ:
x=2
Step-by-step explanation:
1 + 4x = -5 + 7x
Subtract 4x from each side
1 + 4x-4x = -5 + 7x-4x
1 = -5+3x
Add 5 to each side
1+5 = -5+5+3x
6 = 3x
Divide each side by 3
6/3 = 3x/3
2 =x
Ответ:
6 * 3 = 18