3x+x-7+2x+4=69

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Solution for 3x+x-7+2x+4=69 equation:


Simplifying
3x + x + -7 + 2x + 4 = 69

Reorder the terms:
-7 + 4 + 3x + x + 2x = 69

Combine like terms: -7 + 4 = -3
-3 + 3x + x + 2x = 69

Combine like terms: 3x + x = 4x
-3 + 4x + 2x = 69

Combine like terms: 4x + 2x = 6x
-3 + 6x = 69

Solving
-3 + 6x = 69

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 6x = 69 + 3

Combine like terms: -3 + 3 = 0
0 + 6x = 69 + 3
6x = 69 + 3

Combine like terms: 69 + 3 = 72
6x = 72

Divide each side by '6'.
x = 12

Simplifying
x = 12

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