101=.4x+21

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Solution for 101=.4x+21 equation:


Simplifying
101 = 0.4x + 21

Reorder the terms:
101 = 21 + 0.4x

Solving
101 = 21 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
101 + -0.4x = 21 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
101 + -0.4x = 21 + 0.0
101 + -0.4x = 21

Add '-101' to each side of the equation.
101 + -101 + -0.4x = 21 + -101

Combine like terms: 101 + -101 = 0
0 + -0.4x = 21 + -101
-0.4x = 21 + -101

Combine like terms: 21 + -101 = -80
-0.4x = -80

Divide each side by '-0.4'.
x = 200

Simplifying
x = 200

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