3[5x-(4x+4)+5]=2x+7

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Solution for 3[5x-(4x+4)+5]=2x+7 equation:


Simplifying
3[5x + -1(4x + 4) + 5] = 2x + 7

Reorder the terms:
3[5x + -1(4 + 4x) + 5] = 2x + 7
3[5x + (4 * -1 + 4x * -1) + 5] = 2x + 7
3[5x + (-4 + -4x) + 5] = 2x + 7

Reorder the terms:
3[-4 + 5 + 5x + -4x] = 2x + 7

Combine like terms: -4 + 5 = 1
3[1 + 5x + -4x] = 2x + 7

Combine like terms: 5x + -4x = 1x
3[1 + 1x] = 2x + 7
[1 * 3 + 1x * 3] = 2x + 7
[3 + 3x] = 2x + 7

Reorder the terms:
3 + 3x = 7 + 2x

Solving
3 + 3x = 7 + 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.
3 + 3x + -2x = 7 + 2x + -2x

Combine like terms: 3x + -2x = 1x
3 + 1x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
3 + 1x = 7 + 0
3 + 1x = 7

Add '-3' to each side of the equation.
3 + -3 + 1x = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 1x = 7 + -3
1x = 7 + -3

Combine like terms: 7 + -3 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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