(10*9+5*5)*28=x

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Solution for (10*9+5*5)*28=x equation:


Simplifying
(10 * 9 + 5 * 5) * 28 = x

Multiply 10 * 9
(90 + 5 * 5) * 28 = x

Multiply 5 * 5
(90 + 25) * 28 = x

Combine like terms: 90 + 25 = 115
(115) * 28 = x

Multiply 115 * 28
3220 = x

Solving
3220 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3220 + -1x = x + -1x

Combine like terms: x + -1x = 0
3220 + -1x = 0

Add '-3220' to each side of the equation.
3220 + -3220 + -1x = 0 + -3220

Combine like terms: 3220 + -3220 = 0
0 + -1x = 0 + -3220
-1x = 0 + -3220

Combine like terms: 0 + -3220 = -3220
-1x = -3220

Divide each side by '-1'.
x = 3220

Simplifying
x = 3220

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