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m(x) = 4x + 15
Find the value of "x" that would satisfy m(x) = 7:
4x + 15 = 7
Subtract 15 from both sides:
4x = -8
Divide both sides by 4:
x = -2.
Decide whether each equation is true for all, one, or no values of x. -2x + 4 = -3x + 4
1 answer:
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