find the vaule of x 7x-8 = 6x +11 a b c or d?

1 ⤊

find the vaule of x 7x-8 = 6x +11 a b c or d?

a -19
b 125
c 19
d 55

2007-12-26 07:39:29 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

3 answers

The answer is 19. Substract 6x from both sides: x remains on the left, 6x-6x equals 0 on the right. Then add 8 to both sides: 8-8 equals 0 on the left; 11+8 equals 19 on the right.

2007-12-26 07:53:20 · answer #1 · answered by Joe from around the world 2 · 0⤊ 0⤋

7x -- 8 = 6x + 11 Or 7x -- 6x = 11 + 8 Or x = 19 (c)

2007-12-26 15:44:48 · answer #2 · answered by sv 7 · 1⤊ 0⤋

7x-8=6x+11
7x-6x-8=11
x-8+8=11+8
x=19

2007-12-26 20:46:39 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋