Answer:
a: 12
B: 5
c: 15
Step-by-step explanation: because you have to multiply and divide but i might have the wrong answerr :((((
5(x+10)^-30-(-5) = 0
5(x+10)^-30+5=0
5x + 50 + 5 = 0
5x + 55 = 0
5x = -55
x = -55
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5
x = 3 , y = 2
Step-by-step explanation: