Answer:
2. is not an equation
Step-by-step explanation:
An equation always has an equal sign. An expression doesn't
Answer:
x = 4y+28
Step-by-step explanation:
x/4 -7 = y
Solve for x
Add 7 to each side
x/4 -7+7 = y+7
x/4 = (y+7)
Multiply each side by 4
x/4*4 = 4(y+7)
x = 4y+28
Answer:
3x+10 = 2x+40
3x - 2x = +40 - 10
x = 30
Step-by-step explanation:
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