.15x-2.1=.3(x-5)

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Solution for .15x-2.1=.3(x-5) equation: 


Simplifying
0.15x + -2.1 = 0.3(x + -5)

Reorder the terms:
-2.1 + 0.15x = 0.3(x + -5)

Reorder the terms:
-2.1 + 0.15x = 0.3(-5 + x)
-2.1 + 0.15x = (-5 * 0.3 + x * 0.3)
-2.1 + 0.15x = (-1.5 + 0.3x)

Solving
-2.1 + 0.15x = -1.5 + 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.
-2.1 + 0.15x + -0.3x = -1.5 + 0.3x + -0.3x

Combine like terms: 0.15x + -0.3x = -0.15x
-2.1 + -0.15x = -1.5 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
-2.1 + -0.15x = -1.5 + 0.0
-2.1 + -0.15x = -1.5

Add '2.1' to each side of the equation.
-2.1 + 2.1 + -0.15x = -1.5 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + -0.15x = -1.5 + 2.1
-0.15x = -1.5 + 2.1

Combine like terms: -1.5 + 2.1 = 0.6
-0.15x = 0.6

Divide each side by '-0.15'.
x = -4

Simplifying
x = -4

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