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Solve for $b$ . $\newline$ $b - 2.2 = 2$ $\newline$ $b =$ $\_\_\_\_\_$

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Solve one-step addition and subtraction equations with decimals and fractions

Full solution

Q. Solve for

b

.

\newline

b - 2.2 = 2

\newline

b =

\_\_\_\_\_

Add $2.2$ to both sides: To isolate the variable $b$ , we need to get rid of the $-2.2$ that is subtracted from it. We can do this by adding $2.2$ to both sides of the equation. $\newline$ Calculation: $b - 2.2 + 2.2 = 2 + 2.2$ $\newline$ Math error check: No subtraction or addition errors have been made.
Simplify the equation: Now that we have added $2.2$ to both sides, the equation simplifies to just $b$ on the left side and the sum of $2$ and $2.2$ on the right side. $\newline$ Calculation: $b = 4.2$ $\newline$ Math error check: No addition errors have been made.

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