Solve 7 - b = 21 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$7-b=21$$

Solve for b

$b=-14$

Steps for Solving Linear Equation

Subtract $7$ from both sides.

$$-b=21-7$$

Subtract $7$ from $21$ to get $14$.

$$-b=14$$

Multiply both sides by $-1$.

$$b=-14$$