49=-4(3x-4)-(x-7)

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Solution for 49=-4(3x-4)-(x-7) equation:


Simplifying
49 = -4(3x + -4) + -1(x + -7)

Reorder the terms:
49 = -4(-4 + 3x) + -1(x + -7)
49 = (-4 * -4 + 3x * -4) + -1(x + -7)
49 = (16 + -12x) + -1(x + -7)

Reorder the terms:
49 = 16 + -12x + -1(-7 + x)
49 = 16 + -12x + (-7 * -1 + x * -1)
49 = 16 + -12x + (7 + -1x)

Reorder the terms:
49 = 16 + 7 + -12x + -1x

Combine like terms: 16 + 7 = 23
49 = 23 + -12x + -1x

Combine like terms: -12x + -1x = -13x
49 = 23 + -13x

Solving
49 = 23 + -13x

Solving for variable 'x'.

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

Add '13x' to each side of the equation.
49 + 13x = 23 + -13x + 13x

Combine like terms: -13x + 13x = 0
49 + 13x = 23 + 0
49 + 13x = 23

Add '-49' to each side of the equation.
49 + -49 + 13x = 23 + -49

Combine like terms: 49 + -49 = 0
0 + 13x = 23 + -49
13x = 23 + -49

Combine like terms: 23 + -49 = -26
13x = -26

Divide each side by '13'.
x = -2

Simplifying
x = -2

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