sabendo que A=x-2x+8x-7, b=2x+10
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A= x - 2x + 8x - 7
B= 2x + 10
C= 4x÷x- 14
x -2x + 8x - 7 + 2x + 10
9x + 3
)()()()()()()()()()()()()()()()()
x -2x + 8x -7 -( 2x + 10)
x -2x + 8x -7 -2x -10
5x -17
)()()()()()()()()()()()()()()()()()()()(
2x + 10 +(4x÷x-14) - (x -2x + 8x -7)
2x + 10 + 4 -14 -x +2x -8x +7
-5x + 7
)()()()()()()()()()()()()()(
Abraço !
B= 2x + 10
C= 4x÷x- 14
x -2x + 8x - 7 + 2x + 10
9x + 3
)()()()()()()()()()()()()()()()()
x -2x + 8x -7 -( 2x + 10)
x -2x + 8x -7 -2x -10
5x -17
)()()()()()()()()()()()()()()()()()()()(
2x + 10 +(4x÷x-14) - (x -2x + 8x -7)
2x + 10 + 4 -14 -x +2x -8x +7
-5x + 7
)()()()()()()()()()()()()()(
Abraço !
marlenedossantos:
essas em baixo e as conta?
aham.
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