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Solve the following:
a) 4x – 3 = 2x + 7
b) 2x + 6 = 7x - 14

1 Answer

4 votes

Answer:

a) x = 5

b) x = 4

Explanation:

a) 4x - 3 = 2x + 7 collect like terms

4x - 2x = 7 + 3

2x = 10 divide both sides by the coefficient of x

x = 5

b) 2x + 6 = 7x - 14 collect like terms

2x - 7x = -14 - 6

-5x = -20 divide both sidess by the coefficient of x

x = 4

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