Substitution Method for Linear Equations with Decimals

Substitution Method for Linear Equations with Decimals

Secondary 2

Solve the simultaneous equations by using substitution method.

\(\begin{align} & \;\;\, 0.2x+3y=7 \\ & 0.1x+3.5y=7.5 \end{align}\)

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Answer:\(x=5,\ y=2\)

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