If a + b = -6a+b=−6a, plus, b, equals, minus, 6 and x + y + z = -2x+y+z=−2x, plus, y, plus, z, equals, minus, 2, what is 8a - 7x - 7z - 7y + 8b8a−7x−7z−7y+8b8, a, minus, 7, x, minus, 7, z, minus, 7, y, plus, 8, b?

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)