300+40x=140

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Solution for 300+40x=140 equation: 


Simplifying
300 + 40x = 140

Solving
300 + 40x = 140

Solving for variable 'x'.

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

Add '-300' to each side of the equation.
300 + -300 + 40x = 140 + -300

Combine like terms: 300 + -300 = 0
0 + 40x = 140 + -300
40x = 140 + -300

Combine like terms: 140 + -300 = -160
40x = -160

Divide each side by '40'.
x = -4

Simplifying
x = -4

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