4[7x-45]=9

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Solution for 4[7x-45]=9 equation:


Simplifying
4[7x + -45] = 9

Reorder the terms:
4[-45 + 7x] = 9
[-45 * 4 + 7x * 4] = 9
[-180 + 28x] = 9

Solving
-180 + 28x = 9

Solving for variable 'x'.

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

Add '180' to each side of the equation.
-180 + 180 + 28x = 9 + 180

Combine like terms: -180 + 180 = 0
0 + 28x = 9 + 180
28x = 9 + 180

Combine like terms: 9 + 180 = 189
28x = 189

Divide each side by '28'.
x = 6.75

Simplifying
x = 6.75

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