Question

3x+3=7x-9
solve for x​

Answer 1

Step-by-step explanation:

3x+3=7x-9

7x-3x=9+3

4x=12

x=3

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Answer 2

$3x - 7x = - 9 - 3 \\ - 4x = - 12 \\ x = 12 \div 4 = 3 \\ x = 3 \\ here \: minus \: sign \: cncel \: from \: each \: other$

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