7b+4(3-b)=18

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Solution for 7b+4(3-b)=18 equation:


Simplifying
7b + 4(3 + -1b) = 18
7b + (3 * 4 + -1b * 4) = 18
7b + (12 + -4b) = 18

Reorder the terms:
12 + 7b + -4b = 18

Combine like terms: 7b + -4b = 3b
12 + 3b = 18

Solving
12 + 3b = 18

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + 3b = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 3b = 18 + -12
3b = 18 + -12

Combine like terms: 18 + -12 = 6
3b = 6

Divide each side by '3'.
b = 2

Simplifying
b = 2

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