7(9+x)=140

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Solution for 7(9+x)=140 equation: 


Simplifying
7(9 + x) = 140
(9 * 7 + x * 7) = 140
(63 + 7x) = 140

Solving
63 + 7x = 140

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + 7x = 140 + -63

Combine like terms: 63 + -63 = 0
0 + 7x = 140 + -63
7x = 140 + -63

Combine like terms: 140 + -63 = 77
7x = 77

Divide each side by '7'.
x = 11

Simplifying
x = 11

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