7=3(2)+b

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


Simplifying
7 = 3(2) + b

Multiply 3 * 2
7 = 6 + b

Solving
7 = 6 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
7 + -1b = 6 + b + -1b

Combine like terms: b + -1b = 0
7 + -1b = 6 + 0
7 + -1b = 6

Add '-7' to each side of the equation.
7 + -7 + -1b = 6 + -7

Combine like terms: 7 + -7 = 0
0 + -1b = 6 + -7
-1b = 6 + -7

Combine like terms: 6 + -7 = -1
-1b = -1

Divide each side by '-1'.
b = 1

Simplifying
b = 1

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