28(10+x)=7x

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Solution for 28(10+x)=7x equation:


Simplifying
28(10 + x) = 7x
(10 * 28 + x * 28) = 7x
(280 + 28x) = 7x

Solving
280 + 28x = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
280 + 28x + -7x = 7x + -7x

Combine like terms: 28x + -7x = 21x
280 + 21x = 7x + -7x

Combine like terms: 7x + -7x = 0
280 + 21x = 0

Add '-280' to each side of the equation.
280 + -280 + 21x = 0 + -280

Combine like terms: 280 + -280 = 0
0 + 21x = 0 + -280
21x = 0 + -280

Combine like terms: 0 + -280 = -280
21x = -280

Divide each side by '21'.
x = -13.33333333

Simplifying
x = -13.33333333

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