5x+3(x+7)=11-(2x+5)

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Solution for 5x+3(x+7)=11-(2x+5) equation:


Simplifying
5x + 3(x + 7) = 11 + -1(2x + 5)

Reorder the terms:
5x + 3(7 + x) = 11 + -1(2x + 5)
5x + (7 * 3 + x * 3) = 11 + -1(2x + 5)
5x + (21 + 3x) = 11 + -1(2x + 5)

Reorder the terms:
21 + 5x + 3x = 11 + -1(2x + 5)

Combine like terms: 5x + 3x = 8x
21 + 8x = 11 + -1(2x + 5)

Reorder the terms:
21 + 8x = 11 + -1(5 + 2x)
21 + 8x = 11 + (5 * -1 + 2x * -1)
21 + 8x = 11 + (-5 + -2x)

Combine like terms: 11 + -5 = 6
21 + 8x = 6 + -2x

Solving
21 + 8x = 6 + -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 + 8x + 2x = 6 + -2x + 2x

Combine like terms: 8x + 2x = 10x
21 + 10x = 6 + -2x + 2x

Combine like terms: -2x + 2x = 0
21 + 10x = 6 + 0
21 + 10x = 6

Add '-21' to each side of the equation.
21 + -21 + 10x = 6 + -21

Combine like terms: 21 + -21 = 0
0 + 10x = 6 + -21
10x = 6 + -21

Combine like terms: 6 + -21 = -15
10x = -15

Divide each side by '10'.
x = -1.5

Simplifying
x = -1.5

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