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Adrien Ritter
Mathematics
14 September, 16:52
What is 7 (x+6) = 3 (x+9)
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Mila Turner
14 September, 17:00
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x = - 3.75
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Claire Lawrence
14 September, 17:01
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x = - 15/4
Step-by-step explanation:
7 (x+6) = 3 (x+9)
Distribute
7x+42 = 3x+27
Subtract 3x from each side
7x-3x+42 = 3x-3x+27
4x + 42 = 27
Subtract 42 from each side
4x+42-42 = 27-42
4x = -15
Divide each side by 4
4x/4 = -15/4
x = - 15/4
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