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

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


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

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

Combine like terms: -3 + 7 = 4
74 = x + x + -3 + x + -3 + 7 + 2(4 + x)
74 = x + x + -3 + x + -3 + 7 + (4 * 2 + x * 2)
74 = x + x + -3 + x + -3 + 7 + (8 + 2x)

Reorder the terms:
74 = -3 + -3 + 7 + 8 + x + x + x + 2x

Combine like terms: -3 + -3 = -6
74 = -6 + 7 + 8 + x + x + x + 2x

Combine like terms: -6 + 7 = 1
74 = 1 + 8 + x + x + x + 2x

Combine like terms: 1 + 8 = 9
74 = 9 + x + x + x + 2x

Combine like terms: x + x = 2x
74 = 9 + 2x + x + 2x

Combine like terms: 2x + x = 3x
74 = 9 + 3x + 2x

Combine like terms: 3x + 2x = 5x
74 = 9 + 5x

Solving
74 = 9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
74 + -5x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
74 + -5x = 9 + 0
74 + -5x = 9

Add '-74' to each side of the equation.
74 + -74 + -5x = 9 + -74

Combine like terms: 74 + -74 = 0
0 + -5x = 9 + -74
-5x = 9 + -74

Combine like terms: 9 + -74 = -65
-5x = -65

Divide each side by '-5'.
x = 13

Simplifying
x = 13

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