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Solve the system of equations by substitution or elimination. $\newline$ $4x-y=10$ $\newline$ $3x+5y=19$

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Write an equation word problem

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Q. Solve the system of equations by substitution or elimination.

\newline

4x-y=10

\newline

3x+5y=19

Choose Equation for Substitution: Choose an equation to manipulate for substitution. I'll solve the first equation for y. $\newline$ $4x - y = 10$ $\newline$ $y = 4x - 10$
Substitute into Second Equation: Substitute $y = 4x - 10$ into the second equation. $\newline$ $3x + 5(4x - 10) = 19$ $\newline$ $3x + 20x - 50 = 19$ $\newline$ $23x - 50 = 19$
Solve for x: Solve for x. $\newline$ $23x - 50 = 19$ $\newline$ $23x = 69$ $\newline$ $x = 3$

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