16=3(x+1)-(x+7)

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Solution for 16=3(x+1)-(x+7) equation: 


Simplifying
16 = 3(x + 1) + -1(x + 7)

Reorder the terms:
16 = 3(1 + x) + -1(x + 7)
16 = (1 * 3 + x * 3) + -1(x + 7)
16 = (3 + 3x) + -1(x + 7)

Reorder the terms:
16 = 3 + 3x + -1(7 + x)
16 = 3 + 3x + (7 * -1 + x * -1)
16 = 3 + 3x + (-7 + -1x)

Reorder the terms:
16 = 3 + -7 + 3x + -1x

Combine like terms: 3 + -7 = -4
16 = -4 + 3x + -1x

Combine like terms: 3x + -1x = 2x
16 = -4 + 2x

Solving
16 = -4 + 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.
16 + -2x = -4 + 2x + -2x

Combine like terms: 2x + -2x = 0
16 + -2x = -4 + 0
16 + -2x = -4

Add '-16' to each side of the equation.
16 + -16 + -2x = -4 + -16

Combine like terms: 16 + -16 = 0
0 + -2x = -4 + -16
-2x = -4 + -16

Combine like terms: -4 + -16 = -20
-2x = -20

Divide each side by '-2'.
x = 10

Simplifying
x = 10

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