0.5(3x+7)+3.1=0.6(3x-4)

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Solution for 0.5(3x+7)+3.1=0.6(3x-4) equation:


Simplifying
0.5(3x + 7) + 3.1 = 0.6(3x + -4)

Reorder the terms:
0.5(7 + 3x) + 3.1 = 0.6(3x + -4)
(7 * 0.5 + 3x * 0.5) + 3.1 = 0.6(3x + -4)
(3.5 + 1.5x) + 3.1 = 0.6(3x + -4)

Reorder the terms:
3.5 + 3.1 + 1.5x = 0.6(3x + -4)

Combine like terms: 3.5 + 3.1 = 6.6
6.6 + 1.5x = 0.6(3x + -4)

Reorder the terms:
6.6 + 1.5x = 0.6(-4 + 3x)
6.6 + 1.5x = (-4 * 0.6 + 3x * 0.6)
6.6 + 1.5x = (-2.4 + 1.8x)

Solving
6.6 + 1.5x = -2.4 + 1.8x

Solving for variable 'x'.

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

Add '-1.8x' to each side of the equation.
6.6 + 1.5x + -1.8x = -2.4 + 1.8x + -1.8x

Combine like terms: 1.5x + -1.8x = -0.3x
6.6 + -0.3x = -2.4 + 1.8x + -1.8x

Combine like terms: 1.8x + -1.8x = 0.0
6.6 + -0.3x = -2.4 + 0.0
6.6 + -0.3x = -2.4

Add '-6.6' to each side of the equation.
6.6 + -6.6 + -0.3x = -2.4 + -6.6

Combine like terms: 6.6 + -6.6 = 0.0
0.0 + -0.3x = -2.4 + -6.6
-0.3x = -2.4 + -6.6

Combine like terms: -2.4 + -6.6 = -9
-0.3x = -9

Divide each side by '-0.3'.
x = 30

Simplifying
x = 30

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