121=-4x-3(4x-13)

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Solution for 121=-4x-3(4x-13) equation:


Simplifying
121 = -4x + -3(4x + -13)

Reorder the terms:
121 = -4x + -3(-13 + 4x)
121 = -4x + (-13 * -3 + 4x * -3)
121 = -4x + (39 + -12x)

Reorder the terms:
121 = 39 + -4x + -12x

Combine like terms: -4x + -12x = -16x
121 = 39 + -16x

Solving
121 = 39 + -16x

Solving for variable 'x'.

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

Add '16x' to each side of the equation.
121 + 16x = 39 + -16x + 16x

Combine like terms: -16x + 16x = 0
121 + 16x = 39 + 0
121 + 16x = 39

Add '-121' to each side of the equation.
121 + -121 + 16x = 39 + -121

Combine like terms: 121 + -121 = 0
0 + 16x = 39 + -121
16x = 39 + -121

Combine like terms: 39 + -121 = -82
16x = -82

Divide each side by '16'.
x = -5.125

Simplifying
x = -5.125

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