Answer:
step one- 5x-3+3=12+3
step two- 5x=15
step three- 5x/5=15/5
step four- x=3
Explanation:
Step 1: 5x - 3 + 3 = 12 + 3
Step two: 5x = 15
Step three: 5x/5 = 15/5
Step four: x = 3
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