7(s-9)+1.9=3.5s+7.9

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Solution for 7(s-9)+1.9=3.5s+7.9 equation:


Simplifying
7(s + -9) + 1.9 = 3.5s + 7.9

Reorder the terms:
7(-9 + s) + 1.9 = 3.5s + 7.9
(-9 * 7 + s * 7) + 1.9 = 3.5s + 7.9
(-63 + 7s) + 1.9 = 3.5s + 7.9

Reorder the terms:
-63 + 1.9 + 7s = 3.5s + 7.9

Combine like terms: -63 + 1.9 = -61.1
-61.1 + 7s = 3.5s + 7.9

Reorder the terms:
-61.1 + 7s = 7.9 + 3.5s

Solving
-61.1 + 7s = 7.9 + 3.5s

Solving for variable 's'.

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

Add '-3.5s' to each side of the equation.
-61.1 + 7s + -3.5s = 7.9 + 3.5s + -3.5s

Combine like terms: 7s + -3.5s = 3.5s
-61.1 + 3.5s = 7.9 + 3.5s + -3.5s

Combine like terms: 3.5s + -3.5s = 0.0
-61.1 + 3.5s = 7.9 + 0.0
-61.1 + 3.5s = 7.9

Add '61.1' to each side of the equation.
-61.1 + 61.1 + 3.5s = 7.9 + 61.1

Combine like terms: -61.1 + 61.1 = 0.0
0.0 + 3.5s = 7.9 + 61.1
3.5s = 7.9 + 61.1

Combine like terms: 7.9 + 61.1 = 69
3.5s = 69

Divide each side by '3.5'.
s = 19.71428571

Simplifying
s = 19.71428571

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