Solve for x
x=0
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4+3x+12x=4
Add 12x to both sides.
4+15x=4
Combine 3x and 12x to get 15x.
15x=4-4
Subtract 4 from both sides.
15x=0
Subtract 4 from 4 to get 0.
x=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 15 is not equal to 0, x must be equal to 0.
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