0=-4(7)+b

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Solution for 0=-4(7)+b equation: 


Simplifying
0 = -4(7) + b

Multiply -4 * 7
0 = -28 + b

Solving
0 = -28 + 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 + -1b = -28 + b + -1b
Remove the zero:
-1b = -28 + b + -1b

Combine like terms: b + -1b = 0
-1b = -28 + 0
-1b = -28

Divide each side by '-1'.
b = 28

Simplifying
b = 28

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