Solve for x
x=312000
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4000\times 78=x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 4000x, the least common multiple of x,4000.
312000=x
Multiply 4000 and 78 to get 312000.
x=312000
Swap sides so that all variable terms are on the left hand side.
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