x+4cm-2x=40cm

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Solution for x+4cm-2x=40cm equation:


Simplifying
x + 4cm + -2x = 40cm

Reorder the terms:
4cm + x + -2x = 40cm

Combine like terms: x + -2x = -1x
4cm + -1x = 40cm

Solving
4cm + -1x = 40cm

Solving for variable 'c'.

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

Add '-40cm' to each side of the equation.
4cm + -40cm + -1x = 40cm + -40cm

Combine like terms: 4cm + -40cm = -36cm
-36cm + -1x = 40cm + -40cm

Combine like terms: 40cm + -40cm = 0
-36cm + -1x = 0

Add 'x' to each side of the equation.
-36cm + -1x + x = 0 + x

Combine like terms: -1x + x = 0
-36cm + 0 = 0 + x
-36cm = 0 + x
Remove the zero:
-36cm = x

Divide each side by '-36m'.
c = -0.02777777778m-1x

Simplifying
c = -0.02777777778m-1x

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