278-3x=42x+18

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Solution for 278-3x=42x+18 equation:


Simplifying
278 + -3x = 42x + 18

Reorder the terms:
278 + -3x = 18 + 42x

Solving
278 + -3x = 18 + 42x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-42x' to each side of the equation.
278 + -3x + -42x = 18 + 42x + -42x

Combine like terms: -3x + -42x = -45x
278 + -45x = 18 + 42x + -42x

Combine like terms: 42x + -42x = 0
278 + -45x = 18 + 0
278 + -45x = 18

Add '-278' to each side of the equation.
278 + -278 + -45x = 18 + -278

Combine like terms: 278 + -278 = 0
0 + -45x = 18 + -278
-45x = 18 + -278

Combine like terms: 18 + -278 = -260
-45x = -260

Divide each side by '-45'.
x = 5.777777778

Simplifying
x = 5.777777778

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