Answer:
-2/3
Step-by-step explanation:
Rise over run! The slope rises twice and goes over 3 times. The slope is negative so put a negative sign behind it.
Answer:
6.4
Step-by-step explanation:
multiply
By their increase or decrease
x + 7 = 2(3x - 4) Remove the brackets
x + 7 = 2*3x - 4*2
x + 7 = 6x - 8 Subtract 7 from both sides.
x + 7 - 7 = 6x - 8 - 7
x = 6x - 15 Subtract 6x from both sides
x - 6x = - 15
-5x = - 15 Divide by -5
-5x/-5 = -15/-5
x = 3