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

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


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

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

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

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

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

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

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

Solving
0 = -3 + -6.5b

Solving for variable 'b'.

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

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

Combine like terms: -6.5b + 6.5b = 0.0
6.5b = -3 + 0.0
6.5b = -3

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

Simplifying
b = -0.4615384615

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