.9x+1=.3x+.4

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Solution for .9x+1=.3x+.4 equation:


Simplifying
0.9x + 1 = 0.3x + 0.4

Reorder the terms:
1 + 0.9x = 0.3x + 0.4

Reorder the terms:
1 + 0.9x = 0.4 + 0.3x

Solving
1 + 0.9x = 0.4 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
1 + 0.9x + -0.3x = 0.4 + 0.3x + -0.3x

Combine like terms: 0.9x + -0.3x = 0.6x
1 + 0.6x = 0.4 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
1 + 0.6x = 0.4 + 0.0
1 + 0.6x = 0.4

Add '-1' to each side of the equation.
1 + -1 + 0.6x = 0.4 + -1

Combine like terms: 1 + -1 = 0
0 + 0.6x = 0.4 + -1
0.6x = 0.4 + -1

Combine like terms: 0.4 + -1 = -0.6
0.6x = -0.6

Divide each side by '0.6'.
x = -1

Simplifying
x = -1

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