2b-4+5b+7=-10

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Solution for 2b-4+5b+7=-10 equation:


Simplifying
2b + -4 + 5b + 7 = -10

Reorder the terms:
-4 + 7 + 2b + 5b = -10

Combine like terms: -4 + 7 = 3
3 + 2b + 5b = -10

Combine like terms: 2b + 5b = 7b
3 + 7b = -10

Solving
3 + 7b = -10

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 + 7b = -10 + -3

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

Combine like terms: -10 + -3 = -13
7b = -13

Divide each side by '7'.
b = -1.857142857

Simplifying
b = -1.857142857

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