a) 4(2x - ¾ ) = 53 b) 2(x+7) = 3 (2x - 5 ) c) 3(x - 5 ) + 7 = x + 1 Pilnie potrzebuje to na jutro : ) Rozwiążcie To ; )))

a) 4(2x - ¾ ) = 53 b) 2(x+7) = 3 (2x - 5 ) c) 3(x - 5 ) + 7 = x + 1 a) 8x-3=53 8x=56 x=7 b) 2x+14=6x-15 -4x=-29 x=7¼ c) 3x-15+7=x+1 2x=9 x=4.5

a) 4(2x - ¾ ) = 53 8 x- 12/4 = 53 8x=53 + 3 8x=56 x=7 b) 2(x+7) = 3 (2x - 5 ) 2x + 14 = 6x - 15 -4x=-29 x=29/4=7 i 1/4 c) 3(x - 5 ) + 7 = x + 1 3x - 15 + 7 = x + 1 2x = 1 + 8 x= 9/2=4 i 1/2

) 4(2x - ¾ ) = 53 8x - 3 = 53 8x = 56 /:8 x = 7 b) 2(x+7) = 3 (2x - 5 ) 2x + 14 = 6x - 15 4x = 29 /:4 x= 29/4 c) 3(x - 5 ) + 7 = x + 1 3x - 15 + 7 = x+1 2x = 9 /:2 x = 9/2