19-4(x+4)=12(x+3)-15

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Solution for 19-4(x+4)=12(x+3)-15 equation:


Simplifying
19 + -4(x + 4) = 12(x + 3) + -15

Reorder the terms:
19 + -4(4 + x) = 12(x + 3) + -15
19 + (4 * -4 + x * -4) = 12(x + 3) + -15
19 + (-16 + -4x) = 12(x + 3) + -15

Combine like terms: 19 + -16 = 3
3 + -4x = 12(x + 3) + -15

Reorder the terms:
3 + -4x = 12(3 + x) + -15
3 + -4x = (3 * 12 + x * 12) + -15
3 + -4x = (36 + 12x) + -15

Reorder the terms:
3 + -4x = 36 + -15 + 12x

Combine like terms: 36 + -15 = 21
3 + -4x = 21 + 12x

Solving
3 + -4x = 21 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
3 + -4x + -12x = 21 + 12x + -12x

Combine like terms: -4x + -12x = -16x
3 + -16x = 21 + 12x + -12x

Combine like terms: 12x + -12x = 0
3 + -16x = 21 + 0
3 + -16x = 21

Add '-3' to each side of the equation.
3 + -3 + -16x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -16x = 21 + -3
-16x = 21 + -3

Combine like terms: 21 + -3 = 18
-16x = 18

Divide each side by '-16'.
x = -1.125

Simplifying
x = -1.125

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