47-(3x+5)=3(x+7)+x

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Solution for 47-(3x+5)=3(x+7)+x equation:


Simplifying
47 + -1(3x + 5) = 3(x + 7) + x

Reorder the terms:
47 + -1(5 + 3x) = 3(x + 7) + x
47 + (5 * -1 + 3x * -1) = 3(x + 7) + x
47 + (-5 + -3x) = 3(x + 7) + x

Combine like terms: 47 + -5 = 42
42 + -3x = 3(x + 7) + x

Reorder the terms:
42 + -3x = 3(7 + x) + x
42 + -3x = (7 * 3 + x * 3) + x
42 + -3x = (21 + 3x) + x

Combine like terms: 3x + x = 4x
42 + -3x = 21 + 4x

Solving
42 + -3x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
42 + -3x + -4x = 21 + 4x + -4x

Combine like terms: -3x + -4x = -7x
42 + -7x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
42 + -7x = 21 + 0
42 + -7x = 21

Add '-42' to each side of the equation.
42 + -42 + -7x = 21 + -42

Combine like terms: 42 + -42 = 0
0 + -7x = 21 + -42
-7x = 21 + -42

Combine like terms: 21 + -42 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

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