0.7x-0.4(x-3)=0.3(x-4)

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Solution for 0.7x-0.4(x-3)=0.3(x-4) equation: 


Simplifying
0.7x + -0.4(x + -3) = 0.3(x + -4)

Reorder the terms:
0.7x + -0.4(-3 + x) = 0.3(x + -4)
0.7x + (-3 * -0.4 + x * -0.4) = 0.3(x + -4)
0.7x + (1.2 + -0.4x) = 0.3(x + -4)

Reorder the terms:
1.2 + 0.7x + -0.4x = 0.3(x + -4)

Combine like terms: 0.7x + -0.4x = 0.3x
1.2 + 0.3x = 0.3(x + -4)

Reorder the terms:
1.2 + 0.3x = 0.3(-4 + x)
1.2 + 0.3x = (-4 * 0.3 + x * 0.3)
1.2 + 0.3x = (-1.2 + 0.3x)

Add '-0.3x' to each side of the equation.
1.2 + 0.3x + -0.3x = -1.2 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
1.2 + 0.0 = -1.2 + 0.3x + -0.3x
1.2 = -1.2 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
1.2 = -1.2 + 0.0
1.2 = -1.2

Solving
1.2 = -1.2

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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