7x+4(3-s)=18

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Solution for 7x+4(3-s)=18 equation:


Simplifying
7x + 4(3 + -1s) = 18
7x + (3 * 4 + -1s * 4) = 18
7x + (12 + -4s) = 18

Reorder the terms:
12 + -4s + 7x = 18

Solving
12 + -4s + 7x = 18

Solving for variable 's'.

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

Add '-12' to each side of the equation.
12 + -4s + -12 + 7x = 18 + -12

Reorder the terms:
12 + -12 + -4s + 7x = 18 + -12

Combine like terms: 12 + -12 = 0
0 + -4s + 7x = 18 + -12
-4s + 7x = 18 + -12

Combine like terms: 18 + -12 = 6
-4s + 7x = 6

Add '-7x' to each side of the equation.
-4s + 7x + -7x = 6 + -7x

Combine like terms: 7x + -7x = 0
-4s + 0 = 6 + -7x
-4s = 6 + -7x

Divide each side by '-4'.
s = -1.5 + 1.75x

Simplifying
s = -1.5 + 1.75x

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