15x+12 = 6x + 13
Solve for x.
Step 1. Get all the x's on the same side. Subtract 6x from each side:
15x-6x+12 = 6x-6x + 13
Step 2. Get x by itself, pt. 1. Subtract 12 from each side.
9x + 12-12 = 13-12
Step 3. Get x by itself pt.2. Divide each side by 9.
9x/9 = 1/9
x = 1/9
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6x-2=x+135x=15x=3
9x + 7 = 15x + 1 ___-1_______-1 9x + 6 = 15x -9x_____-9x ____6=6x ____/6_/6 ____1=x x equals 1.
(9,6)
you just add 6x+9x to get 15x then minus 25 from 18 to get -7 thus the answer will be 15x-7
18x2 + 15x + 2 = (3x + 2)(6x + 1)