3x-5+7x+2+1=28

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Solution for 3x-5+7x+2+1=28 equation:


Simplifying
3x + -5 + 7x + 2 + 1 = 28

Reorder the terms:
-5 + 2 + 1 + 3x + 7x = 28

Combine like terms: -5 + 2 = -3
-3 + 1 + 3x + 7x = 28

Combine like terms: -3 + 1 = -2
-2 + 3x + 7x = 28

Combine like terms: 3x + 7x = 10x
-2 + 10x = 28

Solving
-2 + 10x = 28

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 10x = 28 + 2

Combine like terms: -2 + 2 = 0
0 + 10x = 28 + 2
10x = 28 + 2

Combine like terms: 28 + 2 = 30
10x = 30

Divide each side by '10'.
x = 3

Simplifying
x = 3

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