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

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


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

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

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

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

Combine like terms: 1 + 7 = 8
8 + x + x + x + 2x = 74

Combine like terms: x + x = 2x
8 + 2x + x + 2x = 74

Combine like terms: 2x + x = 3x
8 + 3x + 2x = 74

Combine like terms: 3x + 2x = 5x
8 + 5x = 74

Solving
8 + 5x = 74

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 + 5x = 74 + -8

Combine like terms: 8 + -8 = 0
0 + 5x = 74 + -8
5x = 74 + -8

Combine like terms: 74 + -8 = 66
5x = 66

Divide each side by '5'.
x = 13.2

Simplifying
x = 13.2

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