Solve: 1) m - 4 = 2m; 2) 6.7x = 5.2x + 12.3; 3) 12(2w - 3) = 6w; 4) 2(4z-1) = 3(z+2); 5) 1/6 d + 2/3 = 1/4(d-2); 6) 4x - 9 = 3.5x - 9; 7) x + 6 + x; 8) 3x + 15 = 3(x+5); 9) 5x - 7 = 4x - 1; 10) 5.5 - x + -4.5 - x; 11) -3(2x - 3) = -6x + 9

Lexi Mcneil

Lexi Mcneil

Answered question

2022-07-26

Solve:
1) m 4 = 2 m
2) 6.7 x = 5.2 x + 12.3
3) 12 ( 2 w 3 ) = 6 w
4) 2 ( 4 z 1 ) = 3 ( z + 2 )
5) 1 6 d + 2 3 = 1 4 ( d 2 )
6) 4 x 9 = 3.5 x 9
7) x + 6 + x
8) 3 x + 15 = 3 ( x + 5 )
9) 5 x 7 = 4 x 1
10) 5.5 x + 4.5 x
11) 3 ( 2 x 3 ) = 6 x + 9

Answer & Explanation

edgarovhg

edgarovhg

Beginner2022-07-27Added 12 answers

Step 1
1) m 4 = 2 m m 2 m = 4 m = 4 m = 4
2) 6.7 x = 5.2 x + 12.3 6.7 x 5.2 x = 12.3 1.5 x = 12.3 x = 12.3 1.5 = 12.3 1.5
3) 12 ( 2 w 3 ) = 6 w 24 w 36 = 6 w 24 w 6 w = 36 18 w = 36 w = 36 18 w = 2
4) 2 ( 4 z 1 ) = 3 ( z + 2 ) 4 z 2 = 3 z + 6 4 z 3 z = 6 + 2 z = 8
5) 1 6 d + 2 3 = 1 4 ( d 2 ) 1 6 d + 2 3 = d 4 1 2 d 6 d 4 = 1 2 2 3 2 d 3 d 12 = 3 4 6 d 12 = 7 6 d = 7 6 × 12 2 = 14 d = 14
Luz Stokes

Luz Stokes

Beginner2022-07-28Added 3 answers

Step 1
6) 4 x 9 = 3.5 x 9 4 x 3.5 x = 9 + 9 0.5 x = 0 x = 0 0.5 = 0 x = 0
8) 3 x + 15 = 3 ( x + 5 ) 3 x + 15 = 3 x + 15 0 = 0   no solutions
9) 5 x 7 = 4 x 1 5 x 4 x = 1 + 7 x = 6

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