solve
2007-08-13 04:13:53 · 5 answers · asked by tamdayash 1 in Science & Mathematics ➔ Mathematics
10x + 7 = 9x
subtracting 9x from both side
10x +7 - 9x=9x - 9x
x +7=0
x= -7
2007-08-13 04:24:59 · answer #1 · answered by BeTtEr DaN mE 2 · 0⤊ 0⤋
Hey there!
Here's the answer.
10x+7=9x --> Write the problem.
x+7=0 --> Subtract 9x on both sides of the equation.
x=-7 Subtract 7 on both sides of the equation.
So the answer is x=-7.
Hope it helps!
2007-08-13 11:18:07 · answer #2 · answered by ? 6 · 1⤊ 0⤋
10x - 9x = - 7
x = - 7
2007-08-13 12:08:19 · answer #3 · answered by Como 7 · 0⤊ 0⤋
10x-9x+7=9x-9x
1x+7=0
1x+7-7=0-7
x=-7
2007-08-13 11:18:57 · answer #4 · answered by bigdaddy 3 · 0⤊ 0⤋
stays the same, think of it like this, suppose the x is apples and the 7 is grapes, you still have 10 apples and 7 grapes, not 9 grapples.
2007-08-13 11:22:40 · answer #5 · answered by Anonymous · 0⤊ 0⤋