mathhelppls14
14.10.2019 •
Mathematics
Solve: 4x - 2x + 6 = x + 12 a) x = 6 b) x = 2 c) no solution d) x = −6
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Ответ:
A)x = 6
Step-by-step explanation:
4x - 2x + 6 = x + 12
Combine like terms
2x +6 = x+12
Subtract 6 from each side
2x+6-6 = x+12-6
2x = x+6
subtract x
2x-x = x+6-x
x = 6
Ответ:
6 triangles each has area of 4a² - 3
Step-by-step explanation:
24a² – 18 = 6 x (4a² - 3)
6 triangles each has area of 4a² - 3