3(x-4)+x-7=4x+9

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Solution for 3(x-4)+x-7=4x+9 equation:


Simplifying
3(x + -4) + x + -7 = 4x + 9

Reorder the terms:
3(-4 + x) + x + -7 = 4x + 9
(-4 * 3 + x * 3) + x + -7 = 4x + 9
(-12 + 3x) + x + -7 = 4x + 9

Reorder the terms:
-12 + -7 + 3x + x = 4x + 9

Combine like terms: -12 + -7 = -19
-19 + 3x + x = 4x + 9

Combine like terms: 3x + x = 4x
-19 + 4x = 4x + 9

Reorder the terms:
-19 + 4x = 9 + 4x

Add '-4x' to each side of the equation.
-19 + 4x + -4x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
-19 + 0 = 9 + 4x + -4x
-19 = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
-19 = 9 + 0
-19 = 9

Solving
-19 = 9

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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