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omeli [17]
2 years ago
7

Solve 5(2x + 4) = 15. Round to the nearest thousandth. PS: x+4 is the power for 2

Mathematics
1 answer:
lilavasa [31]2 years ago
3 0

\qquad \qquad\huge \underline{\boxed{\sf Answer}}

Let's solve for x ~

\qquad \sf  \dashrightarrow \: 5(2x + 4) = 15

\qquad \sf  \dashrightarrow \: (5 \times 2x) + (5 \times 4) = 15

\qquad \sf  \dashrightarrow \: 10x + 20 = 15

\qquad \sf  \dashrightarrow \: 10x + 20 - 20 = 15 - 20

\qquad \sf  \dashrightarrow \: 10x =  - 5

\qquad \sf  \dashrightarrow \:  \dfrac{10x}{10}  =  \dfrac{ - 5}{10}

\qquad \sf  \dashrightarrow \: x =   - \dfrac{ 1}{2}

hence value of x is - 1/2

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