7=(3+b)4

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


Simplifying
7 = (3 + b) * 4

Reorder the terms for easier multiplication:
7 = 4(3 + b)
7 = (3 * 4 + b * 4)
7 = (12 + 4b)

Solving
7 = 12 + 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.
7 + -4b = 12 + 4b + -4b

Combine like terms: 4b + -4b = 0
7 + -4b = 12 + 0
7 + -4b = 12

Add '-7' to each side of the equation.
7 + -7 + -4b = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -4b = 12 + -7
-4b = 12 + -7

Combine like terms: 12 + -7 = 5
-4b = 5

Divide each side by '-4'.
b = -1.25

Simplifying
b = -1.25

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