8x-3=40x+21

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Solution for 8x-3=40x+21 equation:


Simplifying
8x + -3 = 40x + 21

Reorder the terms:
-3 + 8x = 40x + 21

Reorder the terms:
-3 + 8x = 21 + 40x

Solving
-3 + 8x = 21 + 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.
-3 + 8x + -40x = 21 + 40x + -40x

Combine like terms: 8x + -40x = -32x
-3 + -32x = 21 + 40x + -40x

Combine like terms: 40x + -40x = 0
-3 + -32x = 21 + 0
-3 + -32x = 21

Add '3' to each side of the equation.
-3 + 3 + -32x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + -32x = 21 + 3
-32x = 21 + 3

Combine like terms: 21 + 3 = 24
-32x = 24

Divide each side by '-32'.
x = -0.75

Simplifying
x = -0.75

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