4(3+8x)=40x+9

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Solution for 4(3+8x)=40x+9 equation:


Simplifying
4(3 + 8x) = 40x + 9
(3 * 4 + 8x * 4) = 40x + 9
(12 + 32x) = 40x + 9

Reorder the terms:
12 + 32x = 9 + 40x

Solving
12 + 32x = 9 + 40x

Solving for variable 'x'.

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

Add '-40x' to each side of the equation.
12 + 32x + -40x = 9 + 40x + -40x

Combine like terms: 32x + -40x = -8x
12 + -8x = 9 + 40x + -40x

Combine like terms: 40x + -40x = 0
12 + -8x = 9 + 0
12 + -8x = 9

Add '-12' to each side of the equation.
12 + -12 + -8x = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -8x = 9 + -12
-8x = 9 + -12

Combine like terms: 9 + -12 = -3
-8x = -3

Divide each side by '-8'.
x = 0.375

Simplifying
x = 0.375

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