The "45" is the coefficient
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90% of 45= 90% * 45= 0.9 * 45= 40.5
The additive inverse of x is -(x), so the additive inverse of -45 is -(-45), or 45.
3x-15x-y= 45 -12x-y=45 -y=12x+45 y=-12x-45 Solution set: straight line, y-intercept=-45 and slope =-12
135 degrees is the supplement of 45 degrees. When you minus 45 degrees from 180 degrees you will get 135 degrees which is the supplement angle of 45 degrees.
45 as a fraction 45/100 but in the lowest terms it is 9/20