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andrecoral105
17.06.2020 •
Mathematics
How do I solve the problem by isolating x
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Ответ:
see below
Step-by-step explanation:
10x +8 = 3(x-2)
Distribute
10x +8 = 3x-6
Subtract 3x from each side
10x+8-3x = 3x-6-3x
7x +8 = -6
Subtract 8 from each side
7x+8-8 = -6-8
7x = -14
Divide each side by 7
7x/7 = -14/7
x = -2
Ответ:
10x + 8 = 3x - 6, 7x = -14
Step-by-step explanation:
10x + 8 = 3 ( x - 2 ) = 10x + 8 = 3x - 6
subtract 8 from both sides of the equation: 10x + 8 = 3x - 6
10x + 8 - 8 = 3x - 6 - 8
simplify
10x = 3x - 14
subtract 3x from both sides
10x - 3x = 3x - 14 - 3x
simplify
7x = -14
divide both sides by 2
7x / 2 = -14 / 2
simplify
x = -2
Ответ:
C.
Step-by-step explanation:
Hope this helps!!!