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M4T3M4T1C0
@M4T3M4T1C0
December 2019
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A) 3(x+3) -5 = 22 b)2(2x+7)+3(3x-5)=5(x-1)+8 c) 3(x+2)=2(x-7) d) 4(2x-1) = 3(x+2)
PRECISO DESSAS 4 QUESTOES URGENTE POR FAVOR ALGUEM ME AJUDA
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lelunardi1
A) 3(x+3) -5 = 22
3x +9 -5 = 22
3x = 22 -9 +5
3x = 18
x = 18/3
x = 6
b) 2(2x+7)+3(3x-5)=5(x-1)+8
4x +14 +9x -15 = 5x -5 +8
4x +9x -5x = -5 +8 -14 +15
8x = 4
x = 4/8
x = 1/2
c) 3(x+2)=2(x-7)
3x +6 = 2x -14
3x -2x = -14 -6
x = -20
d) 4(2x-1) = 3(x+2)
8x -4 = 3x +6
8x -3x = 6 +4
5x = 10
x = 10/5
x = 2
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M4T3M4T1C0
mt obg deus te abencoa
lelunardi1
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3x +9 -5 = 22
3x = 22 -9 +5
3x = 18
x = 18/3
x = 6
b) 2(2x+7)+3(3x-5)=5(x-1)+8
4x +14 +9x -15 = 5x -5 +8
4x +9x -5x = -5 +8 -14 +15
8x = 4
x = 4/8
x = 1/2
c) 3(x+2)=2(x-7)
3x +6 = 2x -14
3x -2x = -14 -6
x = -20
d) 4(2x-1) = 3(x+2)
8x -4 = 3x +6
8x -3x = 6 +4
5x = 10
x = 10/5
x = 2