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Solve the following system of equations using the substitution method. y=3x-10 3y-x=2
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May 15, 2023
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Solve the following system of equations using the substitution method.
y=3x-10
3y-x=2
Mathematics
college
Chtrinh
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Chtrinh
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Plug y=3x-10 into 3y-x=2 and solve for x.
3(3x-10)-x=2 distribute
9x-30-x=2 Combine 9x with -x and add 30 to each side.
8x=32 divide 8 each side
x=4, now plug x=4 into y=3x-10 and solve for y
y=3(4)-10
y=12-10
y=2
Answer: x=4 and y=2
Jack Yu
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May 19, 2023
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Jack Yu
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