x-3+2x-3+7+x-3+7+x=74

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Solution for x-3+2x-3+7+x-3+7+x=74 equation:


Simplifying
x + -3 + 2x + -3 + 7 + x + -3 + 7 + x = 74

Reorder the terms:
-3 + -3 + 7 + -3 + 7 + x + 2x + x + x = 74

Combine like terms: -3 + -3 = -6
-6 + 7 + -3 + 7 + x + 2x + x + x = 74

Combine like terms: -6 + 7 = 1
1 + -3 + 7 + x + 2x + x + x = 74

Combine like terms: 1 + -3 = -2
-2 + 7 + x + 2x + x + x = 74

Combine like terms: -2 + 7 = 5
5 + x + 2x + x + x = 74

Combine like terms: x + 2x = 3x
5 + 3x + x + x = 74

Combine like terms: 3x + x = 4x
5 + 4x + x = 74

Combine like terms: 4x + x = 5x
5 + 5x = 74

Solving
5 + 5x = 74

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 5x = 74 + -5

Combine like terms: 5 + -5 = 0
0 + 5x = 74 + -5
5x = 74 + -5

Combine like terms: 74 + -5 = 69
5x = 69

Divide each side by '5'.
x = 13.8

Simplifying
x = 13.8

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