weeblordd
03.04.2020 •
Mathematics
3(2x + 12) = -2(x - 4) + x
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Ответ:
-4
Step-by-step explanation:
1. Use the distributive property to get 6x + 36 = -2x + 8 + x
2. Combine like terms 6x + 36 = -x + 8
3. Subtract 36 on both sides. 7x + 36 = 8 > 7x = -28
4. Divide by 7
-28/7 = -4 x=4
Ответ:
x = -4
Step-by-step explanation:
3(2x + 12) = -2(x - 4) + x
6x + 36 = -2x + 8 + x
+2x +2x
8x + 36 = 8 + x
-x -x
7x + 36 = 8
-36 -36
7x = -28
7x/ 7 = -28/ 7
x = -4
Ответ: