9x-4=7(x+s)

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Solution for 9x-4=7(x+s) equation:


Simplifying
9x + -4 = 7(x + s)

Reorder the terms:
-4 + 9x = 7(x + s)

Reorder the terms:
-4 + 9x = 7(s + x)
-4 + 9x = (s * 7 + x * 7)
-4 + 9x = (7s + 7x)

Solving
-4 + 9x = 7s + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-4 + 9x + -7x = 7s + 7x + -7x

Combine like terms: 9x + -7x = 2x
-4 + 2x = 7s + 7x + -7x

Combine like terms: 7x + -7x = 0
-4 + 2x = 7s + 0
-4 + 2x = 7s

Add '4' to each side of the equation.
-4 + 4 + 2x = 4 + 7s

Combine like terms: -4 + 4 = 0
0 + 2x = 4 + 7s
2x = 4 + 7s

Divide each side by '2'.
x = 2 + 3.5s

Simplifying
x = 2 + 3.5s

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