3(x-2)-4(2b+5)=9

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Solution for 3(x-2)-4(2b+5)=9 equation:


Simplifying
3(x + -2) + -4(2b + 5) = 9

Reorder the terms:
3(-2 + x) + -4(2b + 5) = 9
(-2 * 3 + x * 3) + -4(2b + 5) = 9
(-6 + 3x) + -4(2b + 5) = 9

Reorder the terms:
-6 + 3x + -4(5 + 2b) = 9
-6 + 3x + (5 * -4 + 2b * -4) = 9
-6 + 3x + (-20 + -8b) = 9

Reorder the terms:
-6 + -20 + -8b + 3x = 9

Combine like terms: -6 + -20 = -26
-26 + -8b + 3x = 9

Solving
-26 + -8b + 3x = 9

Solving for variable 'b'.

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

Add '26' to each side of the equation.
-26 + -8b + 26 + 3x = 9 + 26

Reorder the terms:
-26 + 26 + -8b + 3x = 9 + 26

Combine like terms: -26 + 26 = 0
0 + -8b + 3x = 9 + 26
-8b + 3x = 9 + 26

Combine like terms: 9 + 26 = 35
-8b + 3x = 35

Add '-3x' to each side of the equation.
-8b + 3x + -3x = 35 + -3x

Combine like terms: 3x + -3x = 0
-8b + 0 = 35 + -3x
-8b = 35 + -3x

Divide each side by '-8'.
b = -4.375 + 0.375x

Simplifying
b = -4.375 + 0.375x

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