No kind: it is an expression, not an equation.
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5x+y=-7 3x+y=15 8=D
For the x intercept, put y = 0 in the equation. So 5x = 15 ie x = 3 So the intercept is (3,0)
5x+2y = 30 2y = -5x+30 y = -2.5x+15 Therfore the slope is 2.5 and y the intercept is 15.
30 + 5x = 15 + 10x 30 = 15 + 5x 15 = 5x x = 3
You can factor a five out of 15 plus 5x. Therefore, 15 plus 5x factors out to 5(3+x). Hope it helps :)