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

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


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

Combine like terms: 3 + -7 = -4
-2[-4 + -2x] + -1(5 + -1z) = 7x
[-4 * -2 + -2x * -2] + -1(5 + -1z) = 7x
[8 + 4x] + -1(5 + -1z) = 7x
8 + 4x + (5 * -1 + -1z * -1) = 7x
8 + 4x + (-5 + 1z) = 7x

Reorder the terms:
8 + -5 + 4x + 1z = 7x

Combine like terms: 8 + -5 = 3
3 + 4x + 1z = 7x

Solving
3 + 4x + 1z = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
3 + 4x + -7x + 1z = 7x + -7x

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

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

Add '-3' to each side of the equation.
3 + -3x + -3 + 1z = 0 + -3

Reorder the terms:
3 + -3 + -3x + 1z = 0 + -3

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

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

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

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

Divide each side by '-3'.
x = 1 + 0.3333333333z

Simplifying
x = 1 + 0.3333333333z

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