4+2b-(3b+4)-(4b+7)=

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Solution for 4+2b-(3b+4)-(4b+7)= equation:


Simplifying
4 + 2b + -1(3b + 4) + -1(4b + 7) = 0

Reorder the terms:
4 + 2b + -1(4 + 3b) + -1(4b + 7) = 0
4 + 2b + (4 * -1 + 3b * -1) + -1(4b + 7) = 0
4 + 2b + (-4 + -3b) + -1(4b + 7) = 0

Reorder the terms:
4 + 2b + -4 + -3b + -1(7 + 4b) = 0
4 + 2b + -4 + -3b + (7 * -1 + 4b * -1) = 0
4 + 2b + -4 + -3b + (-7 + -4b) = 0

Reorder the terms:
4 + -4 + -7 + 2b + -3b + -4b = 0

Combine like terms: 4 + -4 = 0
0 + -7 + 2b + -3b + -4b = 0
-7 + 2b + -3b + -4b = 0

Combine like terms: 2b + -3b = -1b
-7 + -1b + -4b = 0

Combine like terms: -1b + -4b = -5b
-7 + -5b = 0

Solving
-7 + -5b = 0

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + -5b = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -5b = 0 + 7
-5b = 0 + 7

Combine like terms: 0 + 7 = 7
-5b = 7

Divide each side by '-5'.
b = -1.4

Simplifying
b = -1.4

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