x+x-7+3(x-7)=33

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Solution for x+x-7+3(x-7)=33 equation: 


Simplifying
x + x + -7 + 3(x + -7) = 33

Reorder the terms:
x + x + -7 + 3(-7 + x) = 33
x + x + -7 + (-7 * 3 + x * 3) = 33
x + x + -7 + (-21 + 3x) = 33

Reorder the terms:
-7 + -21 + x + x + 3x = 33

Combine like terms: -7 + -21 = -28
-28 + x + x + 3x = 33

Combine like terms: x + x = 2x
-28 + 2x + 3x = 33

Combine like terms: 2x + 3x = 5x
-28 + 5x = 33

Solving
-28 + 5x = 33

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 5x = 33 + 28

Combine like terms: -28 + 28 = 0
0 + 5x = 33 + 28
5x = 33 + 28

Combine like terms: 33 + 28 = 61
5x = 61

Divide each side by '5'.
x = 12.2

Simplifying
x = 12.2

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