7(7-3x)=-(x+11)

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Solution for 7(7-3x)=-(x+11) equation:


Simplifying
7(7 + -3x) = -1(x + 11)
(7 * 7 + -3x * 7) = -1(x + 11)
(49 + -21x) = -1(x + 11)

Reorder the terms:
49 + -21x = -1(11 + x)
49 + -21x = (11 * -1 + x * -1)
49 + -21x = (-11 + -1x)

Solving
49 + -21x = -11 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
49 + -21x + x = -11 + -1x + x

Combine like terms: -21x + x = -20x
49 + -20x = -11 + -1x + x

Combine like terms: -1x + x = 0
49 + -20x = -11 + 0
49 + -20x = -11

Add '-49' to each side of the equation.
49 + -49 + -20x = -11 + -49

Combine like terms: 49 + -49 = 0
0 + -20x = -11 + -49
-20x = -11 + -49

Combine like terms: -11 + -49 = -60
-20x = -60

Divide each side by '-20'.
x = 3

Simplifying
x = 3

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