SOLUTION: a) {x + 3y = 42 { x = 4y ___________ _____ b) { x + 16y = 24 {2x - 16y = 12 ___________ _____ c) {4x + y = 10 {5x - 3y = 9 ___________ _____ d) {3x + 5y

Algebra ->  Equations -> SOLUTION: a) {x + 3y = 42 { x = 4y ___________ _____ b) { x + 16y = 24 {2x - 16y = 12 ___________ _____ c) {4x + y = 10 {5x - 3y = 9 ___________ _____ d) {3x + 5y       Log On


   

Question 375339: a) {x + 3y = 42
{ x = 4y
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b) { x + 16y = 24
{2x - 16y = 12
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c) {4x + y = 10
{5x - 3y = 9
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d) {3x + 5y = 1
{6x + 3y = 2
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e) { 4p - 3q = 9
{ -3p + 2q = -5
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f) {3c + 12d = 4
{2c + 8d = -3
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g) {5x + 4 (y - 5) = x + 8
(x = 2 (y+1) - 4
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h) {y = 2x + y
{ y = -3x + 1
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x + 3y = 42
x = 4y
4y+3y=42
7y=42
y=6
x=24
.
Ed