4x-3(2x+1)=8x+9

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Solution for 4x-3(2x+1)=8x+9 equation:


Simplifying
4x + -3(2x + 1) = 8x + 9

Reorder the terms:
4x + -3(1 + 2x) = 8x + 9
4x + (1 * -3 + 2x * -3) = 8x + 9
4x + (-3 + -6x) = 8x + 9

Reorder the terms:
-3 + 4x + -6x = 8x + 9

Combine like terms: 4x + -6x = -2x
-3 + -2x = 8x + 9

Reorder the terms:
-3 + -2x = 9 + 8x

Solving
-3 + -2x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-3 + -2x + -8x = 9 + 8x + -8x

Combine like terms: -2x + -8x = -10x
-3 + -10x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + -10x = 9 + 0
-3 + -10x = 9

Add '3' to each side of the equation.
-3 + 3 + -10x = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -10x = 9 + 3
-10x = 9 + 3

Combine like terms: 9 + 3 = 12
-10x = 12

Divide each side by '-10'.
x = -1.2

Simplifying
x = -1.2

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