2-4(3-5b)=30

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Solution for 2-4(3-5b)=30 equation:


Simplifying
2 + -4(3 + -5b) = 30
2 + (3 * -4 + -5b * -4) = 30
2 + (-12 + 20b) = 30

Combine like terms: 2 + -12 = -10
-10 + 20b = 30

Solving
-10 + 20b = 30

Solving for variable 'b'.

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

Add '10' to each side of the equation.
-10 + 10 + 20b = 30 + 10

Combine like terms: -10 + 10 = 0
0 + 20b = 30 + 10
20b = 30 + 10

Combine like terms: 30 + 10 = 40
20b = 40

Divide each side by '20'.
b = 2

Simplifying
b = 2

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