.8x-30=.3x-4

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Solution for .8x-30=.3x-4 equation:


Simplifying
0.8x + -30 = 0.3x + -4

Reorder the terms:
-30 + 0.8x = 0.3x + -4

Reorder the terms:
-30 + 0.8x = -4 + 0.3x

Solving
-30 + 0.8x = -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.
-30 + 0.8x + -0.3x = -4 + 0.3x + -0.3x

Combine like terms: 0.8x + -0.3x = 0.5x
-30 + 0.5x = -4 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
-30 + 0.5x = -4 + 0.0
-30 + 0.5x = -4

Add '30' to each side of the equation.
-30 + 30 + 0.5x = -4 + 30

Combine like terms: -30 + 30 = 0
0 + 0.5x = -4 + 30
0.5x = -4 + 30

Combine like terms: -4 + 30 = 26
0.5x = 26

Divide each side by '0.5'.
x = 52

Simplifying
x = 52

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