3x-(x+8)=0.2(10x-19)-4.2

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Solution for 3x-(x+8)=0.2(10x-19)-4.2 equation:


Simplifying
3x + -1(x + 8) = 0.2(10x + -19) + -4.2

Reorder the terms:
3x + -1(8 + x) = 0.2(10x + -19) + -4.2
3x + (8 * -1 + x * -1) = 0.2(10x + -19) + -4.2
3x + (-8 + -1x) = 0.2(10x + -19) + -4.2

Reorder the terms:
-8 + 3x + -1x = 0.2(10x + -19) + -4.2

Combine like terms: 3x + -1x = 2x
-8 + 2x = 0.2(10x + -19) + -4.2

Reorder the terms:
-8 + 2x = 0.2(-19 + 10x) + -4.2
-8 + 2x = (-19 * 0.2 + 10x * 0.2) + -4.2
-8 + 2x = (-3.8 + 2x) + -4.2

Reorder the terms:
-8 + 2x = -3.8 + -4.2 + 2x

Combine like terms: -3.8 + -4.2 = -8
-8 + 2x = -8 + 2x

Add '8' to each side of the equation.
-8 + 8 + 2x = -8 + 8 + 2x

Combine like terms: -8 + 8 = 0
0 + 2x = -8 + 8 + 2x
2x = -8 + 8 + 2x

Combine like terms: -8 + 8 = 0
2x = 0 + 2x
2x = 2x

Add '-2x' to each side of the equation.
2x + -2x = 2x + -2x

Combine like terms: 2x + -2x = 0
0 = 2x + -2x

Combine like terms: 2x + -2x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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