0.4x+8.4=0.7x

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Solution for 0.4x+8.4=0.7x equation:


Simplifying
0.4x + 8.4 = 0.7x

Reorder the terms:
8.4 + 0.4x = 0.7x

Solving
8.4 + 0.4x = 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
8.4 + 0.4x + -0.7x = 0.7x + -0.7x

Combine like terms: 0.4x + -0.7x = -0.3x
8.4 + -0.3x = 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
8.4 + -0.3x = 0.0

Add '-8.4' to each side of the equation.
8.4 + -8.4 + -0.3x = 0.0 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + -0.3x = 0.0 + -8.4
-0.3x = 0.0 + -8.4

Combine like terms: 0.0 + -8.4 = -8.4
-0.3x = -8.4

Divide each side by '-0.3'.
x = 28

Simplifying
x = 28

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