4+5(x-9)=21

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Solution for 4+5(x-9)=21 equation:


Simplifying
4 + 5(x + -9) = 21

Reorder the terms:
4 + 5(-9 + x) = 21
4 + (-9 * 5 + x * 5) = 21
4 + (-45 + 5x) = 21

Combine like terms: 4 + -45 = -41
-41 + 5x = 21

Solving
-41 + 5x = 21

Solving for variable 'x'.

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

Add '41' to each side of the equation.
-41 + 41 + 5x = 21 + 41

Combine like terms: -41 + 41 = 0
0 + 5x = 21 + 41
5x = 21 + 41

Combine like terms: 21 + 41 = 62
5x = 62

Divide each side by '5'.
x = 12.4

Simplifying
x = 12.4

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