90=10(s+2)

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Solution for 90=10(s+2) equation:


Simplifying
90 = 10(s + 2)

Reorder the terms:
90 = 10(2 + s)
90 = (2 * 10 + s * 10)
90 = (20 + 10s)

Solving
90 = 20 + 10s

Solving for variable 's'.

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

Add '-10s' to each side of the equation.
90 + -10s = 20 + 10s + -10s

Combine like terms: 10s + -10s = 0
90 + -10s = 20 + 0
90 + -10s = 20

Add '-90' to each side of the equation.
90 + -90 + -10s = 20 + -90

Combine like terms: 90 + -90 = 0
0 + -10s = 20 + -90
-10s = 20 + -90

Combine like terms: 20 + -90 = -70
-10s = -70

Divide each side by '-10'.
s = 7

Simplifying
s = 7

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