1. distribuye 18x+12− 2 ( 7 + 1 0 ) = − 4 ( 3 + 8 ) + 6 ( 3 + 2)
2. distribuje 1 8 + 1 2 − 1 4 − 2 0 = − 4 ( 3 + 8)+ 6 ( 3 + 2 )
3. resta 1 8x− 8 − 1 4 = − 4 ( 3 + 8 )+ 6 ( 3 + 2 )
4. combina terminos semejantes: 4 − 8 = -4 ( 3 + 8 ) + 6 ( 3 + 2 )
5. distribuje 4 −8 = − 1 2 − 3 2 + 6( 3 + 2 )
= 6
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1. distribuye 18x+12− 2 ( 7 + 1 0 ) = − 4 ( 3 + 8 ) + 6 ( 3 + 2)
2. distribuje 1 8 + 1 2 − 1 4 − 2 0 = − 4 ( 3 + 8)+ 6 ( 3 + 2 )
3. resta 1 8x− 8 − 1 4 = − 4 ( 3 + 8 )+ 6 ( 3 + 2 )
4. combina terminos semejantes: 4 − 8 = -4 ( 3 + 8 ) + 6 ( 3 + 2 )
5. distribuje 4 −8 = − 1 2 − 3 2 + 6( 3 + 2 )
= 6