3(3+4)=4s-7

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


Simplifying
3(3 + 4) = 4s + -7

Combine like terms: 3 + 4 = 7
3(7) = 4s + -7

Multiply 3 * 7
21 = 4s + -7

Reorder the terms:
21 = -7 + 4s

Solving
21 = -7 + 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
21 + -4s = -7 + 4s + -4s

Combine like terms: 4s + -4s = 0
21 + -4s = -7 + 0
21 + -4s = -7

Add '-21' to each side of the equation.
21 + -21 + -4s = -7 + -21

Combine like terms: 21 + -21 = 0
0 + -4s = -7 + -21
-4s = -7 + -21

Combine like terms: -7 + -21 = -28
-4s = -28

Divide each side by '-4'.
s = 7

Simplifying
s = 7

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