2[3x+4(x+5)]-4x=12

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Solution for 2[3x+4(x+5)]-4x=12 equation:


Simplifying
2[3x + 4(x + 5)] + -4x = 12

Reorder the terms:
2[3x + 4(5 + x)] + -4x = 12
2[3x + (5 * 4 + x * 4)] + -4x = 12
2[3x + (20 + 4x)] + -4x = 12

Reorder the terms:
2[20 + 3x + 4x] + -4x = 12

Combine like terms: 3x + 4x = 7x
2[20 + 7x] + -4x = 12
[20 * 2 + 7x * 2] + -4x = 12
[40 + 14x] + -4x = 12

Combine like terms: 14x + -4x = 10x
40 + 10x = 12

Solving
40 + 10x = 12

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 10x = 12 + -40

Combine like terms: 40 + -40 = 0
0 + 10x = 12 + -40
10x = 12 + -40

Combine like terms: 12 + -40 = -28
10x = -28

Divide each side by '10'.
x = -2.8

Simplifying
x = -2.8

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