7(40-x)=245

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Solution for 7(40-x)=245 equation: 


Simplifying
7(40 + -1x) = 245
(40 * 7 + -1x * 7) = 245
(280 + -7x) = 245

Solving
280 + -7x = 245

Solving for variable 'x'.

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

Add '-280' to each side of the equation.
280 + -280 + -7x = 245 + -280

Combine like terms: 280 + -280 = 0
0 + -7x = 245 + -280
-7x = 245 + -280

Combine like terms: 245 + -280 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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