5x-7-(3x+1)=28

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Solution for 5x-7-(3x+1)=28 equation:


Simplifying
5x + -7 + -1(3x + 1) = 28

Reorder the terms:
5x + -7 + -1(1 + 3x) = 28
5x + -7 + (1 * -1 + 3x * -1) = 28
5x + -7 + (-1 + -3x) = 28

Reorder the terms:
-7 + -1 + 5x + -3x = 28

Combine like terms: -7 + -1 = -8
-8 + 5x + -3x = 28

Combine like terms: 5x + -3x = 2x
-8 + 2x = 28

Solving
-8 + 2x = 28

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + 2x = 28 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 28 + 8
2x = 28 + 8

Combine like terms: 28 + 8 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

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