Chapter 6 Rational Exponents and Radical Functions - 6.4 Use Inverse Functions - 6.4 Exercises - Mixed Review - Page 445: 60

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Given: $7x-12y=-22\\25x+8y=14$ Multiply both sides of the first equation by $2$: $14x-24y=-44$ Multiply both sides of the second equation by $3$: $75x+24y=52$ Add the new first equation: $89x=-2\\ \rightarrow x=-\frac{2}{89}$ Find y: $7(-\frac{2}{89})-12y=-22\\ \rightarrow y=\frac{162}{89}$