1+5x+7x=121

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Solution for 1+5x+7x=121 equation: 


Simplifying
1 + 5x + 7x = 121

Combine like terms: 5x + 7x = 12x
1 + 12x = 121

Solving
1 + 12x = 121

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 12x = 121 + -1

Combine like terms: 1 + -1 = 0
0 + 12x = 121 + -1
12x = 121 + -1

Combine like terms: 121 + -1 = 120
12x = 120

Divide each side by '12'.
x = 10

Simplifying
x = 10

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