(7x+3)-(3x+13)-74=0

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Solution for (7x+3)-(3x+13)-74=0 equation:


Simplifying
(7x + 3) + -1(3x + 13) + -74 = 0

Reorder the terms:
(3 + 7x) + -1(3x + 13) + -74 = 0

Remove parenthesis around (3 + 7x)
3 + 7x + -1(3x + 13) + -74 = 0

Reorder the terms:
3 + 7x + -1(13 + 3x) + -74 = 0
3 + 7x + (13 * -1 + 3x * -1) + -74 = 0
3 + 7x + (-13 + -3x) + -74 = 0

Reorder the terms:
3 + -13 + -74 + 7x + -3x = 0

Combine like terms: 3 + -13 = -10
-10 + -74 + 7x + -3x = 0

Combine like terms: -10 + -74 = -84
-84 + 7x + -3x = 0

Combine like terms: 7x + -3x = 4x
-84 + 4x = 0

Solving
-84 + 4x = 0

Solving for variable 'x'.

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

Add '84' to each side of the equation.
-84 + 84 + 4x = 0 + 84

Combine like terms: -84 + 84 = 0
0 + 4x = 0 + 84
4x = 0 + 84

Combine like terms: 0 + 84 = 84
4x = 84

Divide each side by '4'.
x = 21

Simplifying
x = 21

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