URGENTE
resolva e mostre passo a passo:
a)
10 (4x+14) - 2 = 8 (x-10) + 18
b)
y/10 + y/14 = 24
resolva e mostre passo a passo:
a)
10 (4x+14) - 2 = 8 (x-10) + 18
b)
y/10 + y/14 = 24
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a) -25/4
b) 140
a)
10 (4x+14) - 2 = 8 (x-10) + 18
40x+140-2 = 8x-80+18
40x-8x = -80+18-140+2
32x = -200
x = -200/32
x = -25/4
b)
y/10 + y/14 = 24, MMC = 70
7y+5y = 1680
12y = 1680
y = 140
Cálculos
MMC 10,14 = 70
10-14|2
5-7|5
1-7|7 = 70
1
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18/09/22