16+8x=7x-21

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Solution for 16+8x=7x-21 equation:


Simplifying
16 + 8x = 7x + -21

Reorder the terms:
16 + 8x = -21 + 7x

Solving
16 + 8x = -21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
16 + 8x + -7x = -21 + 7x + -7x

Combine like terms: 8x + -7x = 1x
16 + 1x = -21 + 7x + -7x

Combine like terms: 7x + -7x = 0
16 + 1x = -21 + 0
16 + 1x = -21

Add '-16' to each side of the equation.
16 + -16 + 1x = -21 + -16

Combine like terms: 16 + -16 = 0
0 + 1x = -21 + -16
1x = -21 + -16

Combine like terms: -21 + -16 = -37
1x = -37

Divide each side by '1'.
x = -37

Simplifying
x = -37

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