The problem asks to find the number of solutions to the given system of equations: $y = -4x + 3$ $2x + 8y = 10$

AlgebraSystems of EquationsLinear EquationsSubstitutionSolving Equations
2025/3/25

1. Problem Description

The problem asks to find the number of solutions to the given system of equations:
y=4x+3y = -4x + 3
2x+8y=102x + 8y = 10

2. Solution Steps

We can substitute the first equation into the second equation to solve for xx.
2x+8(4x+3)=102x + 8(-4x + 3) = 10
2x32x+24=102x - 32x + 24 = 10
30x=1024-30x = 10 - 24
30x=14-30x = -14
x=1430=715x = \frac{-14}{-30} = \frac{7}{15}
Now, substitute x=715x = \frac{7}{15} back into the first equation to find yy:
y=4(715)+3y = -4(\frac{7}{15}) + 3
y=2815+3y = -\frac{28}{15} + 3
y=2815+4515y = -\frac{28}{15} + \frac{45}{15}
y=1715y = \frac{17}{15}
Since we found a unique solution for xx and yy, the system has one solution.

3. Final Answer

The system of equations has one solution.

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