.5=4(-1)+b

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Solution for .5=4(-1)+b equation:


Simplifying
0.5 = 4(-1) + b

Multiply 4 * -1
0.5 = -4 + b

Solving
0.5 = -4 + 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.
0.5 + -1b = -4 + b + -1b

Combine like terms: b + -1b = 0
0.5 + -1b = -4 + 0
0.5 + -1b = -4

Add '-0.5' to each side of the equation.
0.5 + -0.5 + -1b = -4 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -1b = -4 + -0.5
-1b = -4 + -0.5

Combine like terms: -4 + -0.5 = -4.5
-1b = -4.5

Divide each side by '-1'.
b = 4.5

Simplifying
b = 4.5

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