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

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


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

Reorder the terms:
7 + -9(3 + x) = 7 + 3(9 + -3x) + -81
7 + (3 * -9 + x * -9) = 7 + 3(9 + -3x) + -81
7 + (-27 + -9x) = 7 + 3(9 + -3x) + -81

Combine like terms: 7 + -27 = -20
-20 + -9x = 7 + 3(9 + -3x) + -81
-20 + -9x = 7 + (9 * 3 + -3x * 3) + -81
-20 + -9x = 7 + (27 + -9x) + -81

Reorder the terms:
-20 + -9x = 7 + 27 + -81 + -9x

Combine like terms: 7 + 27 = 34
-20 + -9x = 34 + -81 + -9x

Combine like terms: 34 + -81 = -47
-20 + -9x = -47 + -9x

Add '9x' to each side of the equation.
-20 + -9x + 9x = -47 + -9x + 9x

Combine like terms: -9x + 9x = 0
-20 + 0 = -47 + -9x + 9x
-20 = -47 + -9x + 9x

Combine like terms: -9x + 9x = 0
-20 = -47 + 0
-20 = -47

Solving
-20 = -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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