-4-8(-4x-1)=21+7x

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Solution for -4-8(-4x-1)=21+7x equation:


Simplifying
-4 + -8(-4x + -1) = 21 + 7x

Reorder the terms:
-4 + -8(-1 + -4x) = 21 + 7x
-4 + (-1 * -8 + -4x * -8) = 21 + 7x
-4 + (8 + 32x) = 21 + 7x

Combine like terms: -4 + 8 = 4
4 + 32x = 21 + 7x

Solving
4 + 32x = 21 + 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.
4 + 32x + -7x = 21 + 7x + -7x

Combine like terms: 32x + -7x = 25x
4 + 25x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
4 + 25x = 21 + 0
4 + 25x = 21

Add '-4' to each side of the equation.
4 + -4 + 25x = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 25x = 21 + -4
25x = 21 + -4

Combine like terms: 21 + -4 = 17
25x = 17

Divide each side by '25'.
x = 0.68

Simplifying
x = 0.68

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