8+(x+5)=3(x+7)

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Solution for 8+(x+5)=3(x+7) equation:


Simplifying
8 + (x + 5) = 3(x + 7)

Reorder the terms:
8 + (5 + x) = 3(x + 7)

Remove parenthesis around (5 + x)
8 + 5 + x = 3(x + 7)

Combine like terms: 8 + 5 = 13
13 + x = 3(x + 7)

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

Solving
13 + x = 21 + 3x

Solving for variable 'x'.

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

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

Combine like terms: x + -3x = -2x
13 + -2x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
13 + -2x = 21 + 0
13 + -2x = 21

Add '-13' to each side of the equation.
13 + -13 + -2x = 21 + -13

Combine like terms: 13 + -13 = 0
0 + -2x = 21 + -13
-2x = 21 + -13

Combine like terms: 21 + -13 = 8
-2x = 8

Divide each side by '-2'.
x = -4

Simplifying
x = -4

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