How do I work out the problem 9y= -6x+42
2 answers:
Divide everything by 9 to get y by itself.
So, it looks like it is in slope-intercept form! Yet you need to get "Y" by itself in order it to be y=mx+b (slope-intercept form)
Step 1:
9y=-6x+42
--- --------- INVERSE OPERATIONS: Divide by 9!
9 9
y=-6/9x+ 42/9
Step 2: Take your new equation and SIMPLIFY/reduce its fractions.
(all these numbers are multiple of 3, so they can be divided by 3 to turn them into it's most simplest form)
y=-2/3x+ 14/3
Step 3: Identify your final answer.
y=-2/3x +14/3
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