7[x-(4x-7)]=7-6x

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Solution for 7[x-(4x-7)]=7-6x equation:


Simplifying
7[x + -1(4x + -7)] = 7 + -6x

Reorder the terms:
7[x + -1(-7 + 4x)] = 7 + -6x
7[x + (-7 * -1 + 4x * -1)] = 7 + -6x
7[x + (7 + -4x)] = 7 + -6x

Reorder the terms:
7[7 + x + -4x] = 7 + -6x

Combine like terms: x + -4x = -3x
7[7 + -3x] = 7 + -6x
[7 * 7 + -3x * 7] = 7 + -6x
[49 + -21x] = 7 + -6x

Solving
49 + -21x = 7 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
49 + -21x + 6x = 7 + -6x + 6x

Combine like terms: -21x + 6x = -15x
49 + -15x = 7 + -6x + 6x

Combine like terms: -6x + 6x = 0
49 + -15x = 7 + 0
49 + -15x = 7

Add '-49' to each side of the equation.
49 + -49 + -15x = 7 + -49

Combine like terms: 49 + -49 = 0
0 + -15x = 7 + -49
-15x = 7 + -49

Combine like terms: 7 + -49 = -42
-15x = -42

Divide each side by '-15'.
x = 2.8

Simplifying
x = 2.8

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