-3x + 5y = 25
5y = 3x + 25
y = 3x/5 + 5
This is now in standard form. y = ax + b, where b is the y-intercept. In this case, the y-intercept is 5.
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x = 3
-3x + (-18) = 2x + 7 +18 +18 -3x = 2x +25 -2x -2x -5x = 25 ----- ----- -5 -5 x=-5 *------- equals a division line
10 -3x+8x = 25 -3x+8x = 25-10 5x = 15 x = 3
x = 25 / 3squared + 5
-3x+7=2x-18 ---> 7+18=2x-3x ----> 25=5x ----> x=5