3x-(x+7)=2(-x+5)+1

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Solution for 3x-(x+7)=2(-x+5)+1 equation:


Simplifying
3x + -1(x + 7) = 2(-1x + 5) + 1

Reorder the terms:
3x + -1(7 + x) = 2(-1x + 5) + 1
3x + (7 * -1 + x * -1) = 2(-1x + 5) + 1
3x + (-7 + -1x) = 2(-1x + 5) + 1

Reorder the terms:
-7 + 3x + -1x = 2(-1x + 5) + 1

Combine like terms: 3x + -1x = 2x
-7 + 2x = 2(-1x + 5) + 1

Reorder the terms:
-7 + 2x = 2(5 + -1x) + 1
-7 + 2x = (5 * 2 + -1x * 2) + 1
-7 + 2x = (10 + -2x) + 1

Reorder the terms:
-7 + 2x = 10 + 1 + -2x

Combine like terms: 10 + 1 = 11
-7 + 2x = 11 + -2x

Solving
-7 + 2x = 11 + -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.
-7 + 2x + 2x = 11 + -2x + 2x

Combine like terms: 2x + 2x = 4x
-7 + 4x = 11 + -2x + 2x

Combine like terms: -2x + 2x = 0
-7 + 4x = 11 + 0
-7 + 4x = 11

Add '7' to each side of the equation.
-7 + 7 + 4x = 11 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 11 + 7
4x = 11 + 7

Combine like terms: 11 + 7 = 18
4x = 18

Divide each side by '4'.
x = 4.5

Simplifying
x = 4.5

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