Record and Practice Journal Answer Key - RUSD Math

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x +=− +=− − +=− +=− = − = − 1.3 Practice 1. x = 2 2. y = −9 3. p = 10 4. g = 41 5. n = 0.7 6. w = 11 7. 100 10 15 ; 20+= =xxx 8. 200 1.3 Extension 1. xorx==3 3− 2. xorx==5 3 3. x = 0 4. xorx==3 4− 5. 8 4 3 xorx==− 6. no solution 7. xorx= −1 4= − 8. 17 22 xorx==− 9. xorx==7 1 10. xorx==1 7− 11. x − 41.5= 1.4 ...