5[x-(4x-5)]=7-8x

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Solution for 5[x-(4x-5)]=7-8x equation:


Simplifying
5[x + -1(4x + -5)] = 7 + -8x

Reorder the terms:
5[x + -1(-5 + 4x)] = 7 + -8x
5[x + (-5 * -1 + 4x * -1)] = 7 + -8x
5[x + (5 + -4x)] = 7 + -8x

Reorder the terms:
5[5 + x + -4x] = 7 + -8x

Combine like terms: x + -4x = -3x
5[5 + -3x] = 7 + -8x
[5 * 5 + -3x * 5] = 7 + -8x
[25 + -15x] = 7 + -8x

Solving
25 + -15x = 7 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
25 + -15x + 8x = 7 + -8x + 8x

Combine like terms: -15x + 8x = -7x
25 + -7x = 7 + -8x + 8x

Combine like terms: -8x + 8x = 0
25 + -7x = 7 + 0
25 + -7x = 7

Add '-25' to each side of the equation.
25 + -25 + -7x = 7 + -25

Combine like terms: 25 + -25 = 0
0 + -7x = 7 + -25
-7x = 7 + -25

Combine like terms: 7 + -25 = -18
-7x = -18

Divide each side by '-7'.
x = 2.571428571

Simplifying
x = 2.571428571

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