300-120x=400-160x

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Solution for 300-120x=400-160x equation:


Simplifying
300 + -120x = 400 + -160x

Solving
300 + -120x = 400 + -160x

Solving for variable 'x'.

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

Add '160x' to each side of the equation.
300 + -120x + 160x = 400 + -160x + 160x

Combine like terms: -120x + 160x = 40x
300 + 40x = 400 + -160x + 160x

Combine like terms: -160x + 160x = 0
300 + 40x = 400 + 0
300 + 40x = 400

Add '-300' to each side of the equation.
300 + -300 + 40x = 400 + -300

Combine like terms: 300 + -300 = 0
0 + 40x = 400 + -300
40x = 400 + -300

Combine like terms: 400 + -300 = 100
40x = 100

Divide each side by '40'.
x = 2.5

Simplifying
x = 2.5

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