55=-(5-4x)-7(-4x-3)

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Solution for 55=-(5-4x)-7(-4x-3) equation: 


Simplifying
55 = -1(5 + -4x) + -7(-4x + -3)
55 = (5 * -1 + -4x * -1) + -7(-4x + -3)
55 = (-5 + 4x) + -7(-4x + -3)

Reorder the terms:
55 = -5 + 4x + -7(-3 + -4x)
55 = -5 + 4x + (-3 * -7 + -4x * -7)
55 = -5 + 4x + (21 + 28x)

Reorder the terms:
55 = -5 + 21 + 4x + 28x

Combine like terms: -5 + 21 = 16
55 = 16 + 4x + 28x

Combine like terms: 4x + 28x = 32x
55 = 16 + 32x

Solving
55 = 16 + 32x

Solving for variable 'x'.

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

Add '-32x' to each side of the equation.
55 + -32x = 16 + 32x + -32x

Combine like terms: 32x + -32x = 0
55 + -32x = 16 + 0
55 + -32x = 16

Add '-55' to each side of the equation.
55 + -55 + -32x = 16 + -55

Combine like terms: 55 + -55 = 0
0 + -32x = 16 + -55
-32x = 16 + -55

Combine like terms: 16 + -55 = -39
-32x = -39

Divide each side by '-32'.
x = 1.21875

Simplifying
x = 1.21875

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