-4=2.5(-4)+b

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Solution for -4=2.5(-4)+b equation:


Simplifying
-4 = 2.5(-4) + b

Multiply 2.5 * -4
-4 = -10 + b

Solving
-4 = -10 + 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.
-4 + -1b = -10 + b + -1b

Combine like terms: b + -1b = 0
-4 + -1b = -10 + 0
-4 + -1b = -10

Add '4' to each side of the equation.
-4 + 4 + -1b = -10 + 4

Combine like terms: -4 + 4 = 0
0 + -1b = -10 + 4
-1b = -10 + 4

Combine like terms: -10 + 4 = -6
-1b = -6

Divide each side by '-1'.
b = 6

Simplifying
b = 6

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