3(x+4)-4=5x+6.9-3x

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Solution for 3(x+4)-4=5x+6.9-3x equation:


Simplifying
3(x + 4) + -4 = 5x + 6.9 + -3x

Reorder the terms:
3(4 + x) + -4 = 5x + 6.9 + -3x
(4 * 3 + x * 3) + -4 = 5x + 6.9 + -3x
(12 + 3x) + -4 = 5x + 6.9 + -3x

Reorder the terms:
12 + -4 + 3x = 5x + 6.9 + -3x

Combine like terms: 12 + -4 = 8
8 + 3x = 5x + 6.9 + -3x

Reorder the terms:
8 + 3x = 6.9 + 5x + -3x

Combine like terms: 5x + -3x = 2x
8 + 3x = 6.9 + 2x

Solving
8 + 3x = 6.9 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
8 + 3x + -2x = 6.9 + 2x + -2x

Combine like terms: 3x + -2x = 1x
8 + 1x = 6.9 + 2x + -2x

Combine like terms: 2x + -2x = 0
8 + 1x = 6.9 + 0
8 + 1x = 6.9

Add '-8' to each side of the equation.
8 + -8 + 1x = 6.9 + -8

Combine like terms: 8 + -8 = 0
0 + 1x = 6.9 + -8
1x = 6.9 + -8

Combine like terms: 6.9 + -8 = -1.1
1x = -1.1

Divide each side by '1'.
x = -1.1

Simplifying
x = -1.1

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