Hallar el valor de la incognita de la siguiente ecuacion 3(x-1)-4(5-x)=2(6+x)
1 answer:
Answer;
x = 7
Step-by-step explanation:
3(x - 1) - 4(5 - x) = 2(6 + x)
3x - 3 -20 + 4x = 12 + 2x
7x - 23 = 12 + 2x
7x - 2x = 23 + 12
5x = 35
x = 35/5
x = 7
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
X-y=3=>x=3+y
X+2y=-6
=========
3+y+2y=-6
3+3y=-6
3y=-6-3
3y=-9
y=-3
X+2y=-6
X+2(-3)=-6
X-6=-6
X=0
