7x - 14 = 4x+7 -4x -4x 3x-14 = 7 +14 +14

__3x__=__21__3 --- 3 x = 77x - 14 = 4x+7 -4x -4x 3x-14 = 7 +14 +14 __3x__ = __21__ 3 --- 3 x = 7

56

7x-(4x-7)

Put the variables in one side & the constants on the other side:

7x-4x=7+14

3x=21

now divide the two sides by 3:

3/3x=21/3

since [3/3x=x] &[21/3=7],

then:

X=7

7x-4x=7+14

3x=21

now divide the two sides by 3:

3/3x=21/3

since [3/3x=x] &[21/3=7],

then:

X=7

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