Question

Решите ур-я: а) -3х+14 = 4х+56 б) 3/4х+6=2/3х-9

Comments

3/4х+6=2/3х-8

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3/4х-2/3х=-8-6

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1/12х=-14

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х=-14:1/12

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х=-108

Answer 1

-3х+14=4х+56
-3х-4х=56-14
-7х=42
х=42:(-7)
х=-6

Answer 2

A)  -3х+14 = 4х+56
-7x = 42
x = -6