0.7(2x-3)-2(3-x)=0.4(x+5)

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Solution for 0.7(2x-3)-2(3-x)=0.4(x+5) equation:


Simplifying
0.7(2x + -3) + -2(3 + -1x) = 0.4(x + 5)

Reorder the terms:
0.7(-3 + 2x) + -2(3 + -1x) = 0.4(x + 5)
(-3 * 0.7 + 2x * 0.7) + -2(3 + -1x) = 0.4(x + 5)
(-2.1 + 1.4x) + -2(3 + -1x) = 0.4(x + 5)
-2.1 + 1.4x + (3 * -2 + -1x * -2) = 0.4(x + 5)
-2.1 + 1.4x + (-6 + 2x) = 0.4(x + 5)

Reorder the terms:
-2.1 + -6 + 1.4x + 2x = 0.4(x + 5)

Combine like terms: -2.1 + -6 = -8.1
-8.1 + 1.4x + 2x = 0.4(x + 5)

Combine like terms: 1.4x + 2x = 3.4x
-8.1 + 3.4x = 0.4(x + 5)

Reorder the terms:
-8.1 + 3.4x = 0.4(5 + x)
-8.1 + 3.4x = (5 * 0.4 + x * 0.4)
-8.1 + 3.4x = (2 + 0.4x)

Solving
-8.1 + 3.4x = 2 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
-8.1 + 3.4x + -0.4x = 2 + 0.4x + -0.4x

Combine like terms: 3.4x + -0.4x = 3x
-8.1 + 3x = 2 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-8.1 + 3x = 2 + 0.0
-8.1 + 3x = 2

Add '8.1' to each side of the equation.
-8.1 + 8.1 + 3x = 2 + 8.1

Combine like terms: -8.1 + 8.1 = 0.0
0.0 + 3x = 2 + 8.1
3x = 2 + 8.1

Combine like terms: 2 + 8.1 = 10.1
3x = 10.1

Divide each side by '3'.
x = 3.366666667

Simplifying
x = 3.366666667

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