66+9x=91+4x

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Solution for 66+9x=91+4x equation:


Simplifying
66 + 9x = 91 + 4x

Solving
66 + 9x = 91 + 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.
66 + 9x + -4x = 91 + 4x + -4x

Combine like terms: 9x + -4x = 5x
66 + 5x = 91 + 4x + -4x

Combine like terms: 4x + -4x = 0
66 + 5x = 91 + 0
66 + 5x = 91

Add '-66' to each side of the equation.
66 + -66 + 5x = 91 + -66

Combine like terms: 66 + -66 = 0
0 + 5x = 91 + -66
5x = 91 + -66

Combine like terms: 91 + -66 = 25
5x = 25

Divide each side by '5'.
x = 5

Simplifying
x = 5

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