7(7-3s)=-s-10.5

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Solution for 7(7-3s)=-s-10.5 equation:


Simplifying
7(7 + -3s) = -1s + -10.5
(7 * 7 + -3s * 7) = -1s + -10.5
(49 + -21s) = -1s + -10.5

Reorder the terms:
49 + -21s = -10.5 + -1s

Solving
49 + -21s = -10.5 + -1s

Solving for variable 's'.

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

Add 's' to each side of the equation.
49 + -21s + s = -10.5 + -1s + s

Combine like terms: -21s + s = -20s
49 + -20s = -10.5 + -1s + s

Combine like terms: -1s + s = 0
49 + -20s = -10.5 + 0
49 + -20s = -10.5

Add '-49' to each side of the equation.
49 + -49 + -20s = -10.5 + -49

Combine like terms: 49 + -49 = 0
0 + -20s = -10.5 + -49
-20s = -10.5 + -49

Combine like terms: -10.5 + -49 = -59.5
-20s = -59.5

Divide each side by '-20'.
s = 2.975

Simplifying
s = 2.975

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