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Answer:
2x+35+7=3x+123
Multiply both sides by 15 (the lowest common multiple of the denominators)
6x+9+105=15x+60
Collect together like terms
6x+114=15x+60
Subtract 60 from both sides
6x+54=15x
Subtract 6x from both sides
54=9x
Divide both sides by 9
x=6
Step-by-step explanation: