7(s-1)+2(s-4)=

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Solution for 7(s-1)+2(s-4)= equation:


Simplifying
7(s + -1) + 2(s + -4) = 0

Reorder the terms:
7(-1 + s) + 2(s + -4) = 0
(-1 * 7 + s * 7) + 2(s + -4) = 0
(-7 + 7s) + 2(s + -4) = 0

Reorder the terms:
-7 + 7s + 2(-4 + s) = 0
-7 + 7s + (-4 * 2 + s * 2) = 0
-7 + 7s + (-8 + 2s) = 0

Reorder the terms:
-7 + -8 + 7s + 2s = 0

Combine like terms: -7 + -8 = -15
-15 + 7s + 2s = 0

Combine like terms: 7s + 2s = 9s
-15 + 9s = 0

Solving
-15 + 9s = 0

Solving for variable 's'.

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

Add '15' to each side of the equation.
-15 + 15 + 9s = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 9s = 0 + 15
9s = 0 + 15

Combine like terms: 0 + 15 = 15
9s = 15

Divide each side by '9'.
s = 1.666666667

Simplifying
s = 1.666666667

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