3(0.1x-1.4)=-(1.4+0.1x)

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Solution for 3(0.1x-1.4)=-(1.4+0.1x) equation: 


Simplifying
3(0.1x + -1.4) = -1(1.4 + 0.1x)

Reorder the terms:
3(-1.4 + 0.1x) = -1(1.4 + 0.1x)
(-1.4 * 3 + 0.1x * 3) = -1(1.4 + 0.1x)
(-4.2 + 0.3x) = -1(1.4 + 0.1x)
-4.2 + 0.3x = (1.4 * -1 + 0.1x * -1)
-4.2 + 0.3x = (-1.4 + -0.1x)

Solving
-4.2 + 0.3x = -1.4 + -0.1x

Solving for variable 'x'.

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

Add '0.1x' to each side of the equation.
-4.2 + 0.3x + 0.1x = -1.4 + -0.1x + 0.1x

Combine like terms: 0.3x + 0.1x = 0.4x
-4.2 + 0.4x = -1.4 + -0.1x + 0.1x

Combine like terms: -0.1x + 0.1x = 0.0
-4.2 + 0.4x = -1.4 + 0.0
-4.2 + 0.4x = -1.4

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 0.4x = -1.4 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 0.4x = -1.4 + 4.2
0.4x = -1.4 + 4.2

Combine like terms: -1.4 + 4.2 = 2.8
0.4x = 2.8

Divide each side by '0.4'.
x = 7

Simplifying
x = 7

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