3(x+6)-1(x+3)=4x+5

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Solution for 3(x+6)-1(x+3)=4x+5 equation:


Simplifying
3(x + 6) + -1(x + 3) = 4x + 5

Reorder the terms:
3(6 + x) + -1(x + 3) = 4x + 5
(6 * 3 + x * 3) + -1(x + 3) = 4x + 5
(18 + 3x) + -1(x + 3) = 4x + 5

Reorder the terms:
18 + 3x + -1(3 + x) = 4x + 5
18 + 3x + (3 * -1 + x * -1) = 4x + 5
18 + 3x + (-3 + -1x) = 4x + 5

Reorder the terms:
18 + -3 + 3x + -1x = 4x + 5

Combine like terms: 18 + -3 = 15
15 + 3x + -1x = 4x + 5

Combine like terms: 3x + -1x = 2x
15 + 2x = 4x + 5

Reorder the terms:
15 + 2x = 5 + 4x

Solving
15 + 2x = 5 + 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.
15 + 2x + -4x = 5 + 4x + -4x

Combine like terms: 2x + -4x = -2x
15 + -2x = 5 + 4x + -4x

Combine like terms: 4x + -4x = 0
15 + -2x = 5 + 0
15 + -2x = 5

Add '-15' to each side of the equation.
15 + -15 + -2x = 5 + -15

Combine like terms: 15 + -15 = 0
0 + -2x = 5 + -15
-2x = 5 + -15

Combine like terms: 5 + -15 = -10
-2x = -10

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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