-2 - 2r or -2(1 - r)
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3q+4r-s+5q-6r+2s
r=8
3+10-r+6r = -3+9r+0 13+5r = -3+9r 16 = 4r r = 4
Type your answer here... 6R-12 = 2R + 36 subtract 2R from both sides 4R -12 = 36 add 12 to both sides 4R = 48 divide both sides by 4 R = 12
s = -2 -4r