Subjects algebra

Solve System C37660

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Question: Solve the system of equations. -5x + 13y = -7 5x + 4y = 24 x = y =
1. **State the problem:** Solve the system of linear equations: $$-5x + 13y = -7$$ $$5x + 4y = 24$$ 2. **Add the two equations to eliminate $x$: ** $$(-5x + 13y) + (5x + 4y) = -7 + 24$$ This simplifies to: $$-5x + 5x + 13y + 4y = 17$$ $$0x + 17y = 17$$ $$17y = 17$$ 3. **Solve for $y$: ** $$y = \frac{17}{17}$$ $$y = 1$$ 4. **Substitute $y=1$ into the second original equation to solve for $x$: ** $$5x + 4(1) = 24$$ $$5x + 4 = 24$$ $$5x = 24 - 4$$ $$5x = 20$$ 5. **Divide both sides by 5 to isolate $x$: ** $$x = \frac{20}{5}$$ $$x = 4$$ **Final answer:** $$x = 4, \quad y = 1$$