During the summer, Matthew and Devin starting their own business movie mowing lawns for people in the lake section. Before start
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( - 45, 0)
to find the x-intercept let y = 0 in the equation
x = 0 → x = - 15
multiply both sides by 3
x = 3 × - 15 = - 45
x-intercept = ( - 45, 0)
The property that is applied in is addition property of equality
Given :
From the above equation we can see that 4 is added at the both sides of the equation .
we can add same number at the both sides of the equation to balance the equation . That is called as addition property of equality
Here , 4 is added on both sides of the equality to balance the equation .
So , addition property of equality is applied .
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