3x-5-7(x+1)=-(6x+3)

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Solution for 3x-5-7(x+1)=-(6x+3) equation:


Simplifying
3x + -5 + -7(x + 1) = -1(6x + 3)

Reorder the terms:
3x + -5 + -7(1 + x) = -1(6x + 3)
3x + -5 + (1 * -7 + x * -7) = -1(6x + 3)
3x + -5 + (-7 + -7x) = -1(6x + 3)

Reorder the terms:
-5 + -7 + 3x + -7x = -1(6x + 3)

Combine like terms: -5 + -7 = -12
-12 + 3x + -7x = -1(6x + 3)

Combine like terms: 3x + -7x = -4x
-12 + -4x = -1(6x + 3)

Reorder the terms:
-12 + -4x = -1(3 + 6x)
-12 + -4x = (3 * -1 + 6x * -1)
-12 + -4x = (-3 + -6x)

Solving
-12 + -4x = -3 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-12 + -4x + 6x = -3 + -6x + 6x

Combine like terms: -4x + 6x = 2x
-12 + 2x = -3 + -6x + 6x

Combine like terms: -6x + 6x = 0
-12 + 2x = -3 + 0
-12 + 2x = -3

Add '12' to each side of the equation.
-12 + 12 + 2x = -3 + 12

Combine like terms: -12 + 12 = 0
0 + 2x = -3 + 12
2x = -3 + 12

Combine like terms: -3 + 12 = 9
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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