3(x+5)-4=5(x+4)-15

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Solution for 3(x+5)-4=5(x+4)-15 equation:


Simplifying
3(x + 5) + -4 = 5(x + 4) + -15

Reorder the terms:
3(5 + x) + -4 = 5(x + 4) + -15
(5 * 3 + x * 3) + -4 = 5(x + 4) + -15
(15 + 3x) + -4 = 5(x + 4) + -15

Reorder the terms:
15 + -4 + 3x = 5(x + 4) + -15

Combine like terms: 15 + -4 = 11
11 + 3x = 5(x + 4) + -15

Reorder the terms:
11 + 3x = 5(4 + x) + -15
11 + 3x = (4 * 5 + x * 5) + -15
11 + 3x = (20 + 5x) + -15

Reorder the terms:
11 + 3x = 20 + -15 + 5x

Combine like terms: 20 + -15 = 5
11 + 3x = 5 + 5x

Solving
11 + 3x = 5 + 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.
11 + 3x + -5x = 5 + 5x + -5x

Combine like terms: 3x + -5x = -2x
11 + -2x = 5 + 5x + -5x

Combine like terms: 5x + -5x = 0
11 + -2x = 5 + 0
11 + -2x = 5

Add '-11' to each side of the equation.
11 + -11 + -2x = 5 + -11

Combine like terms: 11 + -11 = 0
0 + -2x = 5 + -11
-2x = 5 + -11

Combine like terms: 5 + -11 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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