Difficult Equations

3x + 2(4x - 4) = 3

• 4

• 3

• 2

• 1

^x/₃+ 10 = 15

• 75

• 15

• 25

• 5

What is the first step in solving this equation? 
5x + 7 = 12

• Divide by 5

• Subtract 5

• Multiply by 7

• Subtract 7

What is the solution?

• x = 4

• x = 6

• x = 96

• x = 144

Make p the subject of the formula for:

4(p+3)=q(1-p)

• p=(q-12)/(4-q)

• p=q(1-p)/4-3

• 4p+qp=q-12

• (q-12)/(4+q)=p

Make m the subject of the formula for T=(1+3m)/m

• m=1(t-3)

• m=1/(T-3)

• m=1/(t+3)

• tm-3m=1

Make c the subject of the formula for:

a-bc=3+7c

• (a-3)/(7+b)=c

• c=(a-bc-3)/7

• c=(3-a)/(-7-b)

• no idea

Make t the subject of the formula for

^

• t=-7/(2w²-3)

• t=w²-7

• t=(2tw²-7)/3

• t=w²+7

Solve: 5x - 14 = 8x + 4

• 6

• -6

• -18/13

• 10/3

3y+6+4y-7=-8

• y=-1

• y=-8

• y=1

• y=7