1=7.5(3)+b

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Solution for 1=7.5(3)+b equation:


Simplifying
1 = 7.5(3) + b

Multiply 7.5 * 3
1 = 22.5 + b

Solving
1 = 22.5 + 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.
1 + -1b = 22.5 + b + -1b

Combine like terms: b + -1b = 0
1 + -1b = 22.5 + 0
1 + -1b = 22.5

Add '-1' to each side of the equation.
1 + -1 + -1b = 22.5 + -1

Combine like terms: 1 + -1 = 0
0 + -1b = 22.5 + -1
-1b = 22.5 + -1

Combine like terms: 22.5 + -1 = 21.5
-1b = 21.5

Divide each side by '-1'.
b = -21.5

Simplifying
b = -21.5

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