If: w-7 = 11
Then: w = 18
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-5 = 7 + 3r | subtract 7 -12 = 3r | divide by 3 -4 = r
w/2 - 18 = - 7 Add 18 to both sides of the equation w/2 = - 7 + 18 w/2 = 11 Multiply both sides by 2 w = 11 x 2 w = 22
X/8-4=7 X/8=11 X=11 x 8 X=88 ;-)
A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9
2x + 3 = x - 4 2x + 7 = x x + 7 = 0 x = -7 2(-7) + 3 = -11 (-7) - 4 + -11