3x-7(x+3)=(-5+x)*2-5

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Solution for 3x-7(x+3)=(-5+x)*2-5 equation:


Simplifying
3x + -7(x + 3) = (-5 + x) * 2 + -5

Reorder the terms:
3x + -7(3 + x) = (-5 + x) * 2 + -5
3x + (3 * -7 + x * -7) = (-5 + x) * 2 + -5
3x + (-21 + -7x) = (-5 + x) * 2 + -5

Reorder the terms:
-21 + 3x + -7x = (-5 + x) * 2 + -5

Combine like terms: 3x + -7x = -4x
-21 + -4x = (-5 + x) * 2 + -5

Reorder the terms for easier multiplication:
-21 + -4x = 2(-5 + x) + -5
-21 + -4x = (-5 * 2 + x * 2) + -5
-21 + -4x = (-10 + 2x) + -5

Reorder the terms:
-21 + -4x = -10 + -5 + 2x

Combine like terms: -10 + -5 = -15
-21 + -4x = -15 + 2x

Solving
-21 + -4x = -15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + -4x + -2x = -15 + 2x + -2x

Combine like terms: -4x + -2x = -6x
-21 + -6x = -15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + -6x = -15 + 0
-21 + -6x = -15

Add '21' to each side of the equation.
-21 + 21 + -6x = -15 + 21

Combine like terms: -21 + 21 = 0
0 + -6x = -15 + 21
-6x = -15 + 21

Combine like terms: -15 + 21 = 6
-6x = 6

Divide each side by '-6'.
x = -1

Simplifying
x = -1

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