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viktelen [127]
3 years ago
8

Please help How do you sove this step by step 3(x-5)=21

Mathematics
2 answers:
leonid [27]3 years ago
7 0
3(x-5)=21
x-5=21/3
x-5=7
x=7+5
x=12

here is the answer.
statuscvo [17]3 years ago
4 0

step 2; 9x - 36  =   9 • (x - 4)                         step 1;    <span>3 • (3x - 5) - 21 = 0
</span><span>9 • (x - 4) = 0 step 4
</span><span>9=0
</span>x-4=0
the answer is x=4
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