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Mathematics
Savion Fry
16 December, 05:05
How to solve 2/3 (3*+9) = -2 (2*+6)
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Lorena Munoz
16 December, 05:16
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2/3 (3x + 9) = - 2 (2x + 6)
Step by step
2/3 * 3x and 2/3 * 9 = 2x and 6
which is 2x + 6 (since 6 is a positive put a plus 6 [ + 6 ])
-2 * 2x and - 2 * 6 = - 4x and - 12
which is - 4x - 12 (since 12 is negative put a minus 12 [ - 12 ])
We now have 2x + 6 = - 4x - 12
now add 4x on both sides
2x + 6 + 4x = - 4x - 12 + 4x
6x + 6 = - 12
now Subtract 6 from both sides.
6x + 6 - 6 = - 12-6
6x=-18
finally Divide both sides by 6.
6x/6 = - 18/6
x = - 3
The answer is x=-3
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