(2.9b-10)-(9.4b-7)=

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Solution for (2.9b-10)-(9.4b-7)= equation:


Simplifying
(2.9b + -10) + -1(9.4b + -7) = 0

Reorder the terms:
(-10 + 2.9b) + -1(9.4b + -7) = 0

Remove parenthesis around (-10 + 2.9b)
-10 + 2.9b + -1(9.4b + -7) = 0

Reorder the terms:
-10 + 2.9b + -1(-7 + 9.4b) = 0
-10 + 2.9b + (-7 * -1 + 9.4b * -1) = 0
-10 + 2.9b + (7 + -9.4b) = 0

Reorder the terms:
-10 + 7 + 2.9b + -9.4b = 0

Combine like terms: -10 + 7 = -3
-3 + 2.9b + -9.4b = 0

Combine like terms: 2.9b + -9.4b = -6.5b
-3 + -6.5b = 0

Solving
-3 + -6.5b = 0

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + -6.5b = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -6.5b = 0 + 3
-6.5b = 0 + 3

Combine like terms: 0 + 3 = 3
-6.5b = 3

Divide each side by '-6.5'.
b = -0.4615384615

Simplifying
b = -0.4615384615

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