7(3s+10)=91

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Solution for 7(3s+10)=91 equation:


Simplifying
7(3s + 10) = 91

Reorder the terms:
7(10 + 3s) = 91
(10 * 7 + 3s * 7) = 91
(70 + 21s) = 91

Solving
70 + 21s = 91

Solving for variable 's'.

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

Add '-70' to each side of the equation.
70 + -70 + 21s = 91 + -70

Combine like terms: 70 + -70 = 0
0 + 21s = 91 + -70
21s = 91 + -70

Combine like terms: 91 + -70 = 21
21s = 21

Divide each side by '21'.
s = 1

Simplifying
s = 1

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