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mihalych1998 [28]
2 years ago
12

231 - 7a = 98 How to solve this

Mathematics
2 answers:
Ostrovityanka [42]2 years ago
4 0

Answer:

19

Step-by-step explanation:

231 - 7a = 98 = -7a + 231 = 98

Subtract 231 from both sides to get -7a = -133

Divide by -7 on both sides to get a = 19

icang [17]2 years ago
4 0

Answer:

a = 19 is the correct solution.

Step-by-step explanation:

<u>Step 1</u> : Start by simplifying both sides of the problem.

231 − 7a = 98

231 + − 7a = 98

−7a + 231 = 98

<u>Step 2</u> : Next step is to subtract 231 from both sides

−7a + 231 − 231 = 98 − 231

−7a = −133

<u>Step 3</u>: Finally, divide both sides by -7.

( When I use the symbol /, it signifies I'm dividing.)

-7a/-7 = -133/-7

-133 divided by -7 equals 19

This shows that a = 19. I hope this helps! :D  

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