9=4(b+2)-7

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Solution for 9=4(b+2)-7 equation:


Simplifying
9 = 4(b + 2) + -7

Reorder the terms:
9 = 4(2 + b) + -7
9 = (2 * 4 + b * 4) + -7
9 = (8 + 4b) + -7

Reorder the terms:
9 = 8 + -7 + 4b

Combine like terms: 8 + -7 = 1
9 = 1 + 4b

Solving
9 = 1 + 4b

Solving for variable 'b'.

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

Add '-4b' to each side of the equation.
9 + -4b = 1 + 4b + -4b

Combine like terms: 4b + -4b = 0
9 + -4b = 1 + 0
9 + -4b = 1

Add '-9' to each side of the equation.
9 + -9 + -4b = 1 + -9

Combine like terms: 9 + -9 = 0
0 + -4b = 1 + -9
-4b = 1 + -9

Combine like terms: 1 + -9 = -8
-4b = -8

Divide each side by '-4'.
b = 2

Simplifying
b = 2

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