7[x-7]=49-x

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Solution for 7[x-7]=49-x equation:


Simplifying
7[x + -7] = 49 + -1x

Reorder the terms:
7[-7 + x] = 49 + -1x
[-7 * 7 + x * 7] = 49 + -1x
[-49 + 7x] = 49 + -1x

Solving
-49 + 7x = 49 + -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 + 7x + x = 49 + -1x + x

Combine like terms: 7x + x = 8x
-49 + 8x = 49 + -1x + x

Combine like terms: -1x + x = 0
-49 + 8x = 49 + 0
-49 + 8x = 49

Add '49' to each side of the equation.
-49 + 49 + 8x = 49 + 49

Combine like terms: -49 + 49 = 0
0 + 8x = 49 + 49
8x = 49 + 49

Combine like terms: 49 + 49 = 98
8x = 98

Divide each side by '8'.
x = 12.25

Simplifying
x = 12.25

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