400=40x+240

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Solution for 400=40x+240 equation:


Simplifying
400 = 40x + 240

Reorder the terms:
400 = 240 + 40x

Solving
400 = 240 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
400 + -40x = 240 + 40x + -40x

Combine like terms: 40x + -40x = 0
400 + -40x = 240 + 0
400 + -40x = 240

Add '-400' to each side of the equation.
400 + -400 + -40x = 240 + -400

Combine like terms: 400 + -400 = 0
0 + -40x = 240 + -400
-40x = 240 + -400

Combine like terms: 240 + -400 = -160
-40x = -160

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

Simplifying
x = 4

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