3*(9+9)=13+4x

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Solution for 3*(9+9)=13+4x equation:


Simplifying
3(9 + 9) = 13 + 4x

Combine like terms: 9 + 9 = 18
3(18) = 13 + 4x

Multiply 3 * 18
54 = 13 + 4x

Solving
54 = 13 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
54 + -4x = 13 + 4x + -4x

Combine like terms: 4x + -4x = 0
54 + -4x = 13 + 0
54 + -4x = 13

Add '-54' to each side of the equation.
54 + -54 + -4x = 13 + -54

Combine like terms: 54 + -54 = 0
0 + -4x = 13 + -54
-4x = 13 + -54

Combine like terms: 13 + -54 = -41
-4x = -41

Divide each side by '-4'.
x = 10.25

Simplifying
x = 10.25

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