0.4b-0.1(b-100)=70

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Solution for 0.4b-0.1(b-100)=70 equation:


Simplifying
0.4b + -0.1(b + -100) = 70

Reorder the terms:
0.4b + -0.1(-100 + b) = 70
0.4b + (-100 * -0.1 + b * -0.1) = 70
0.4b + (10 + -0.1b) = 70

Reorder the terms:
10 + 0.4b + -0.1b = 70

Combine like terms: 0.4b + -0.1b = 0.3b
10 + 0.3b = 70

Solving
10 + 0.3b = 70

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 + 0.3b = 70 + -10

Combine like terms: 10 + -10 = 0
0 + 0.3b = 70 + -10
0.3b = 70 + -10

Combine like terms: 70 + -10 = 60
0.3b = 60

Divide each side by '0.3'.
b = 200

Simplifying
b = 200

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