-8.4-3x-7.2-x=3x+3.4

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Solution for -8.4-3x-7.2-x=3x+3.4 equation:


Simplifying
-8.4 + -3x + -7.2 + -1x = 3x + 3.4

Reorder the terms:
-8.4 + -7.2 + -3x + -1x = 3x + 3.4

Combine like terms: -8.4 + -7.2 = -15.6
-15.6 + -3x + -1x = 3x + 3.4

Combine like terms: -3x + -1x = -4x
-15.6 + -4x = 3x + 3.4

Reorder the terms:
-15.6 + -4x = 3.4 + 3x

Solving
-15.6 + -4x = 3.4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-15.6 + -4x + -3x = 3.4 + 3x + -3x

Combine like terms: -4x + -3x = -7x
-15.6 + -7x = 3.4 + 3x + -3x

Combine like terms: 3x + -3x = 0
-15.6 + -7x = 3.4 + 0
-15.6 + -7x = 3.4

Add '15.6' to each side of the equation.
-15.6 + 15.6 + -7x = 3.4 + 15.6

Combine like terms: -15.6 + 15.6 = 0.0
0.0 + -7x = 3.4 + 15.6
-7x = 3.4 + 15.6

Combine like terms: 3.4 + 15.6 = 19
-7x = 19

Divide each side by '-7'.
x = -2.714285714

Simplifying
x = -2.714285714

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