The value of x in the expression 3x−8=8x+42 is -10.
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
The value of x in the expression 3x−8=8x+42 is,
3x−8=8x+42
3x - 8x = 42 + 8
-5x = 50
x = -10
Hence, the value of x in the expression 3x−8=8x+42 is -10.
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