7x-(x+3)=3(2x+1)

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Solution for 7x-(x+3)=3(2x+1) equation:


Simplifying
7x + -1(x + 3) = 3(2x + 1)

Reorder the terms:
7x + -1(3 + x) = 3(2x + 1)
7x + (3 * -1 + x * -1) = 3(2x + 1)
7x + (-3 + -1x) = 3(2x + 1)

Reorder the terms:
-3 + 7x + -1x = 3(2x + 1)

Combine like terms: 7x + -1x = 6x
-3 + 6x = 3(2x + 1)

Reorder the terms:
-3 + 6x = 3(1 + 2x)
-3 + 6x = (1 * 3 + 2x * 3)
-3 + 6x = (3 + 6x)

Add '-6x' to each side of the equation.
-3 + 6x + -6x = 3 + 6x + -6x

Combine like terms: 6x + -6x = 0
-3 + 0 = 3 + 6x + -6x
-3 = 3 + 6x + -6x

Combine like terms: 6x + -6x = 0
-3 = 3 + 0
-3 = 3

Solving
-3 = 3

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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