6(4x-5)-4(2x-15)=15x+9

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Solution for 6(4x-5)-4(2x-15)=15x+9 equation:


Simplifying
6(4x + -5) + -4(2x + -15) = 15x + 9

Reorder the terms:
6(-5 + 4x) + -4(2x + -15) = 15x + 9
(-5 * 6 + 4x * 6) + -4(2x + -15) = 15x + 9
(-30 + 24x) + -4(2x + -15) = 15x + 9

Reorder the terms:
-30 + 24x + -4(-15 + 2x) = 15x + 9
-30 + 24x + (-15 * -4 + 2x * -4) = 15x + 9
-30 + 24x + (60 + -8x) = 15x + 9

Reorder the terms:
-30 + 60 + 24x + -8x = 15x + 9

Combine like terms: -30 + 60 = 30
30 + 24x + -8x = 15x + 9

Combine like terms: 24x + -8x = 16x
30 + 16x = 15x + 9

Reorder the terms:
30 + 16x = 9 + 15x

Solving
30 + 16x = 9 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
30 + 16x + -15x = 9 + 15x + -15x

Combine like terms: 16x + -15x = 1x
30 + 1x = 9 + 15x + -15x

Combine like terms: 15x + -15x = 0
30 + 1x = 9 + 0
30 + 1x = 9

Add '-30' to each side of the equation.
30 + -30 + 1x = 9 + -30

Combine like terms: 30 + -30 = 0
0 + 1x = 9 + -30
1x = 9 + -30

Combine like terms: 9 + -30 = -21
1x = -21

Divide each side by '1'.
x = -21

Simplifying
x = -21

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