-243=-9(10+b)

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Solution for -243=-9(10+b) equation:


Simplifying
-243 = -9(10 + b)
-243 = (10 * -9 + b * -9)
-243 = (-90 + -9b)

Solving
-243 = -90 + -9b

Solving for variable 'b'.

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

Add '9b' to each side of the equation.
-243 + 9b = -90 + -9b + 9b

Combine like terms: -9b + 9b = 0
-243 + 9b = -90 + 0
-243 + 9b = -90

Add '243' to each side of the equation.
-243 + 243 + 9b = -90 + 243

Combine like terms: -243 + 243 = 0
0 + 9b = -90 + 243
9b = -90 + 243

Combine like terms: -90 + 243 = 153
9b = 153

Divide each side by '9'.
b = 17

Simplifying
b = 17

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