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motikmotik
3 years ago
7

Combine like terms 3z+2+(-5z)+6

Mathematics
1 answer:
Mashutka [201]3 years ago
5 0

Answer:

-2z+8

Step-by-step explanation:

3z+2+(-5z)+6

Adding a negative is like subtracting

3z -5z    +2 +6

-2z          +8

-2z+8

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What is the solution to the system of equations?
tekilochka [14]
<span>simplify third eqn -2x+5y+2x=4
5y=4
y=4/5

substitute back to 1st n 2nd eqn n solve for x n z
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