7-9(x+5)-7=7+3(9-3x)-81

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Solution for 7-9(x+5)-7=7+3(9-3x)-81 equation: 


Simplifying
7 + -9(x + 5) + -7 = 7 + 3(9 + -3x) + -81

Reorder the terms:
7 + -9(5 + x) + -7 = 7 + 3(9 + -3x) + -81
7 + (5 * -9 + x * -9) + -7 = 7 + 3(9 + -3x) + -81
7 + (-45 + -9x) + -7 = 7 + 3(9 + -3x) + -81

Reorder the terms:
7 + -45 + -7 + -9x = 7 + 3(9 + -3x) + -81

Combine like terms: 7 + -45 = -38
-38 + -7 + -9x = 7 + 3(9 + -3x) + -81

Combine like terms: -38 + -7 = -45
-45 + -9x = 7 + 3(9 + -3x) + -81
-45 + -9x = 7 + (9 * 3 + -3x * 3) + -81
-45 + -9x = 7 + (27 + -9x) + -81

Reorder the terms:
-45 + -9x = 7 + 27 + -81 + -9x

Combine like terms: 7 + 27 = 34
-45 + -9x = 34 + -81 + -9x

Combine like terms: 34 + -81 = -47
-45 + -9x = -47 + -9x

Add '9x' to each side of the equation.
-45 + -9x + 9x = -47 + -9x + 9x

Combine like terms: -9x + 9x = 0
-45 + 0 = -47 + -9x + 9x
-45 = -47 + -9x + 9x

Combine like terms: -9x + 9x = 0
-45 = -47 + 0
-45 = -47

Solving
-45 = -47

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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