7(x-2)+s(x+6)=21-2x

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Solution for 7(x-2)+s(x+6)=21-2x equation:


Simplifying
7(x + -2) + s(x + 6) = 21 + -2x

Reorder the terms:
7(-2 + x) + s(x + 6) = 21 + -2x
(-2 * 7 + x * 7) + s(x + 6) = 21 + -2x
(-14 + 7x) + s(x + 6) = 21 + -2x

Reorder the terms:
-14 + 7x + s(6 + x) = 21 + -2x
-14 + 7x + (6 * s + x * s) = 21 + -2x
-14 + 7x + (6s + sx) = 21 + -2x

Reorder the terms:
-14 + 6s + sx + 7x = 21 + -2x

Solving
-14 + 6s + sx + 7x = 21 + -2x

Solving for variable 's'.

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

Add '14' to each side of the equation.
-14 + 6s + sx + 14 + 7x = 21 + 14 + -2x

Reorder the terms:
-14 + 14 + 6s + sx + 7x = 21 + 14 + -2x

Combine like terms: -14 + 14 = 0
0 + 6s + sx + 7x = 21 + 14 + -2x
6s + sx + 7x = 21 + 14 + -2x

Combine like terms: 21 + 14 = 35
6s + sx + 7x = 35 + -2x

Add '-7x' to each side of the equation.
6s + sx + 7x + -7x = 35 + -2x + -7x

Combine like terms: 7x + -7x = 0
6s + sx + 0 = 35 + -2x + -7x
6s + sx = 35 + -2x + -7x

Combine like terms: -2x + -7x = -9x
6s + sx = 35 + -9x

Reorder the terms:
-35 + 6s + sx + 9x = 35 + -9x + -35 + 9x

Reorder the terms:
-35 + 6s + sx + 9x = 35 + -35 + -9x + 9x

Combine like terms: 35 + -35 = 0
-35 + 6s + sx + 9x = 0 + -9x + 9x
-35 + 6s + sx + 9x = -9x + 9x

Combine like terms: -9x + 9x = 0
-35 + 6s + sx + 9x = 0

The solution to this equation could not be determined.

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