8s+3[12-7s]=49

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Solution for 8s+3[12-7s]=49 equation:


Simplifying
8s + 3[12 + -7s] = 49
8s + [12 * 3 + -7s * 3] = 49
8s + [36 + -21s] = 49

Reorder the terms:
36 + 8s + -21s = 49

Combine like terms: 8s + -21s = -13s
36 + -13s = 49

Solving
36 + -13s = 49

Solving for variable 's'.

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

Add '-36' to each side of the equation.
36 + -36 + -13s = 49 + -36

Combine like terms: 36 + -36 = 0
0 + -13s = 49 + -36
-13s = 49 + -36

Combine like terms: 49 + -36 = 13
-13s = 13

Divide each side by '-13'.
s = -1

Simplifying
s = -1

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