Solve for z.
42 = -7 (z - 3)
z = ?
2 answers:
Answer:
To solve for z you need to get it by itself and have the other half of the equal sign simplified.
42=-7(z-3)
42=-7z+21 (you would distribute the -7 through the parentheses.)
21=-7z ( you would then subtract 21 from both sides)
-3=z ( last your would divide -7 to both sides to get z by itself)
z=-3
Step-by-step explanation:
You divide by -7 on both sides then add three to both sides and the answer is -3
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